Auschwitz II-Birkenau | |
| Date | 1939–1945 |
|---|---|
| Location | Occupied Poland |
| Cause | Invasion of Poland |
| Participants | Wehrmacht,Gestapo,SS,Volksdeutscher Selbstschutz,Trawnikis,Sonderdienst,NKVD,SMERSH,Red Army,OUN-UPA,Lithuanian Security Police |
| Casualties | |
| Around 5 – 6 million | |
Around six million Polish citizens[1][2][3][4] are estimated to haveperished duringWorld War II. Most were civilians killed by the actions ofNazi Germany, theSoviet Union, theLithuanian Security Police, as well as theOrganization of Ukrainian Nationalists and its offshoots (theUkrainian Insurgent Army, theSelf-defense Kushch Units and theUkrainian People's Revolutionary Army).
At theInternational Military Tribunal held inNuremberg, Germany, in 1945–46, three categories of wartime criminality were juridically established: waging awar of aggression;war crimes; andcrimes against humanity. For the first time in history, these three categories of crimes were defined after the end of the war ininternational law as violations of fundamental human values and norms, regardless of internal (local) law or the obligation to followsuperior orders. In subsequent years, the crime ofgenocide was elevated to a distinct, fourth category.
These crimes were committed inoccupied Poland on a tremendous scale, unparalleled elsewhere in Europe.[5][6]

Following 1 September 1939 invasion of Poland from the west by Germany, theSoviets attacked from the east on 17 September in accordance with the terms of theMolotov–Ribbentrop Pact, a secret non-aggression agreement signed in August.[7][8][9][10] Within a month, Poland had been divided between two occupational forces, and theirjoint victory parade was held in Brest-Litovsk. Germany annexed 91,902 square kilometres with 10 million citizens and controlled the newly createdGeneral Government, which consisted of a further 95,742 kilometres with 12 million citizens. In total, Germany's zone of occupation consisted of 187,644 square kilometres with 22 million citizens. The Soviet Union occupied 202,069 square kilometres with over 13 million citizens.[11][12] In 1939, the invading forces consisted of 1.5 million Germans[13] and nearly half a million Soviets.
Poland's territory was divided between Nazi Germany and the USSR, and was governed directly by the occupying countries, without establishing any form of Polish collaborating puppet authorities. The occupying powers' actions eclipsed thesovereign Polish state, whose government went into exile, and inflicted massive damage tothe country's cultural heritage. Other war crimes against Poland includeddeportations aimed atethnic cleansing, imposition offorced labor,pacifications, andgenocidal acts. There were many similarities between the two zones of occupations marked by systematic oppression.[14][15] Both invaders executed Polish civilians and prisoners of war in parallel campaigns of ethnic cleansing, coordinating some of these actions throughGestapo–NKVD conferences. "The scale and extent of the brutality practised in occupied Poland far exceeded anything experienced in other occupied countries."[16]
In the summer and autumn of 1941 the lands annexed in the east by the Soviets, containing largeUkrainian andBelarusian populations, were overrun by Nazi Germany in the initially successfulOperation Barbarossa against the Soviet Union.
From 1 September 1939, the war against Poland was intended as a fulfilment of the plan described byAdolf Hitler in his bookMein Kampf. The main goal of the plan was to make all ofEastern Europe into theLebensraum (living space) ofGreater Germany.[17][18] German historianJochen Böhler observed that the war of annihilation did not begin with theFinal Solution, but immediately after the attack on Poland.[19] In order to inspire rage against the Poles and trigger broad public acceptance for total war (that is, war with no legal or moral limitations), theGoebbelspropaganda machine soon published and distributed throughout Germany two books based on falsified information:Dokumente polnischer Grausamkeit (Documents of Polish Brutality) and thePolnische Blutschuld (Polish Blood Guilt).[20] Afalse flag operation, theGleiwitz incident, was organised by the German agents to serve as thecasus belli.Wehrmacht (the German armed forces) was sent out without a formaldeclaration of war "to kill without mercy and reprieve all men, women and children of the Polish race", as ordered by Adolf Hitler in hisspeech to military commanders on 22 August 1939.[21][22] This could be seen as an attempt to destroy the entire nation.[23] The invading Germans believed that thePoles were racially inferior to them.[18]
From the very beginning of war against Poland, German forces carried out massacres and executions of civilians.[24] Many of these atrocities were not properly researched after the war due to the political divide between Eastern and Western Europe during theCold War, wrote Böhler.[25] Polish eyewitness accounts do not identify the German units involved; that information is traceable only through German records. Therefore, the crimes committed by the Wehrmacht (the regular German army) were often wrongly attributed toSS operational groups in Polish historiography.[26] It is estimated that there were two hundred executions every day in September 1939.[27]Reinhard Heydrich, head of theReich Security Main Office, complained that the rate was too slow.[27] Typically, the mass executions were conducted in public spaces such as the town square in order to inflict terror.[28]

Records show that during the German advance across Poland 531 towns and villages were burned.[29] By the end of September 1939 the names of settlements, dates and numbers of civilians executed by theWehrmacht included:Starogard (2 September), 190 Poles, 40 of them Jews;[a]Świekatowo (3 September), 26 Poles;[b]Wieruszów (3 September), 20 Poles all Jews.[c] On 4 September 1939 the 42nd Infantry Regiment committed theCzęstochowa massacre with 1,140 citizens or more, 150 of them Jews, murdered in wild shooting actions in several city locations, leading to a final bloodbath according to Polish reports, involving frightened and inexperienced troops opening machine gun fire at a crowd of 10,000 civilians rounded up as hostages in the Main Square.[d][f] The official Wehrmacht tally listed only 96 male and 3 female victims of the so-called "anti-partisan" action in the city.[30]
InImielin (4–5 September), 28 Poles were killed;[e] inKajetanowice (5 September), 72 civilians were massacred in revenge for two German horses killed by German friendly fire;[f]Trzebinia (5 September), 97 Polish citizens;[g]Piotrków (5 September), Jewish section of the city was set on fire;[h]Będzin (8 September), two hundred civilians burned to death;[i]Kłecko (9–10 September), three hundred citizens executed;[j]Mszadla (10 September), 153 Poles;[k]Gmina Besko (11 September), 21 Poles;[l]Kowalewice (11 September), 23 Poles;[m] Pilica (12 September); 36 Poles, 32 of them Jewish;[n]Mielec (13 September), 55 Jews burned to death;[p]Piątek (13 September), 50 Poles, seven of them Jews;[n]Mień (13 September), 9 Poles;[31]Olszewo (14 September), 13 people (half of the village) from Olszewo and 10 from nearbyPietkowo,Gabrysin andMarynki, along with 30 Polish prisoners of war;[31]Moskwin (14 September), 9 Poles.[32] On 14–15 September about 900 Polish Jews, mostly intelligentsia, were targeted in parallel shooting actions inPrzemyśl and inMedyka; this was a foreshadowing of the Holocaust to come.[n] Roughly at the same time, inSolec (14 September), 44 Poles killed;[r] soon thereafter in Chojnice, 40 Polish citizens;[s]Gmina Kłecko, 23 Poles;[t]Bądków, 22 Poles;[u]Dynów, two hundred Polish Jews.[w] Public executions continued well beyond September, including in municipalities such asWieruszów County,[33] Gmina Besko,[34]Gmina Gidle,[35] Gmina Kłecko,[36]Gmina Ryczywół,[37] andGmina Siennica, among others.[38]

Along with civilians, captured Polish Army soldiers were also massacred. On the very first day of invasion (1 September 1939), Polishprisoners of war (POWs) were murdered by theWehrmacht atPilchowice,Czuchów, Gierałtowice, Bojków,Lubliniec, Kochcice, Zawiść, Ornontowice andWyry;such atrocities would continue throughout the invasion.[39] The German army did not consider captured servicemen to becombatants because they fought differently from them, often avoiding direct confrontation in favor of guerrilla tactics in the face of overwhelming force. HistorianTadeusz Piotrowski estimated over 1,000 POWs executed by the Wehrmacht,[40] whileTimothy Snyder, an American historian wrote that over 3,000 Polish POWs were killed in 63 separate shooting actions in which they were often forced to take their uniforms off, and estimate shared byJochen Böhler.[41][42]: 241 On top of executions by regular troops, more mass killings were conducted in remote areas by the newly formedEinsatzgruppen totalling 3,000 men aided by theSelbstschutz volunteer executioners, bringing the total number of killing operations to 16,000 before the end of September 1939.[43] Before the end of the year, over 45,000 Poles had been murdered in occupied territories.[40][44]

The invading German force was equipped with 2000 modern war planes, which were deployed on 1 September 1939 at dawn in Operation Wasserkante, thus opening theSeptember Campaign against Poland; there was no declaration of war. TheLuftwaffe's first sorties of the war targeted Polish cities with no military targets of any kind; for example,the city of Wieluń was destroyed almost completely by 70 tonnes of munitions dropped within several hours in spite of the fact that it had no strategic importance to the Germans, and thecity of Warsaw was bombed as well.[45]
TheLuftwaffe took part in themass killing by strafing refugees on the road.[7][46] The number of civilians wounded or killed by aerial bombing is put at over 100,000.[47] TheLuftwaffe dropped thousands of bombs on urban centres inhabited only by civilian populations.[48] Amongst the Polish cities and towns bombed at the beginning of war were Brodnica,Bydgoszcz, Chełm, Ciechanów, Kraków, Częstochowa, Grodno, Grudziądz, Gdynia, Janów, Jasło, Katowice, Kielce, Kowel, Kutno, Lublin, Lwów, Olkusz, Piotrków, Płock, Płońsk, Poznań, Puck, Radom, Radomsko, Sulejów, Warsaw, Wieluń, Wilno, and Zamość.[46][48][49][50][7] Over 156 towns and villages were attacked by theLuftwaffe.[49] Warsaw suffered particularly severely with a combination of aerial bombardment and artillery fire reducing large parts of its historic city centre to rubble.[51] The Soviet Union assisted the Germans by allowing them to use a radio beacon from Minsk to guide their planes.[52]

During the Germaninvasion of Poland,[8] theEinsatzgruppen (special action squads ofSS and police)[7][53] were deployed in the rear and arrested or murdered civilians who were caught offering resistance against the Germans or who were considered to be capable of doing so, as determined by their position and social status.
Immediately after invasion, the Germans employed the earlier preparedSpecial Prosecution Book-Poland to launch theOperation Tannenberg campaign of mass murders and concentration camps incarcerations. German army units and paramilitarySelbstschutz ("self-defense") forces composed ofVolksdeutsche also participated in executions of civilians. TheSelbstschutz, along withSS units, took an active part in themass murders in Piaśnica, in which between 12,000 and 16,000 Polish civilians were murdered. In the city of Bydgoszcz, theVolksdeutscher Selbstschutz (German Fifth Column) attempted to aid the invading German forces by shooting at thePolish Army.[54][55] A number of saboteurs were executed by the Poles for treason, including for possession of military weapons.[56] The Nazi German government in its own communiqués dubbed the Bydgoszcz incidentBloody Sunday,[56][57] and claimed the wholesale slaughter of Germans in the city, which was not true.[56] When Bydgoszcz was taken over by the Wehrmacht in October, designated killing squads began murdering civilian Poles in revenge at theValley of Death (Bydgoszcz); 136 Polish school boys including 12-year-olds with about 6000 others by end of 1939;[58] some 20,000 were murdered in all.[59][60] Other murder sites includedGniezno, 15 Polish townsmen including Father Zabłocki;[61]Szamotuły (20 October), five Poles in a crowded spectacle at the city centre;[61] Otorowo (7 November), 68 Polish intelligentsia including parish priest and a count;[61][47]KościanLeszno, 250 Poles;Śrem, 118 Poles;Wolsztyn, a group of Poles;Kórnik, 16 Polish citizens;Trzemeszno, 30 Polish citizens;Mogilno, 30/39 Poles and a Polish Jew;[62] Antoninek, 20 Polish citizens shot. Other execution sites includedRawicz,Grodzisk Wielkopolski,Nowy Tomyśl,Międzychód,Żnin,Września,Chełmno,Chojnice,Kalisz andWłocławek.[63] More than 16,000 members of the intelligentsia were murdered inOperation Tannenberg alone.[53]
Tens of thousands of government officials, landowners, clergy, and members of theintelligentsia–teachers, doctors, journalists, and others (both Poles and Jews) – were either murdered in mass executions or sent to prisons andconcentration camps in theIntelligenzaktion (including theIntelligenzaktion Pommern).[64] One of the best-known examples was the deportation to concentration camps in November 1939 of 180 professors from the university of Cracow in theSonderaktion Krakau.[65]
The German occupiers subsequently launchedAB-Aktion in May 1940—a further plan to eliminate the Polish intelligentsia and leadership class,[66] culminating in thePalmiry massacre (December 1940 – July 1941), in which two thousand Poles perished.[12][67]

The direct continuation of the AB Action was a German campaign in the east started after theGerman invasion of the USSR. Among the most notable mass executions of Polish professors was themassacre of Lwów professors, in which approximately 45 professors of the university inLwów were murdered together with their families and guests. Among those killed in the massacre wereTadeusz Boy-Żeleński, former Polish prime ministerKazimierz Bartel,Włodzimierz Stożek, andStanisław Ruziewicz. Thousands more perished in thePonary massacre, theCzarny Las massacre, in the German concentration camps, and in ghettos.[68]
TheRoman Catholic Church was suppressed more harshly than elsewhere inWartheland, a province created by Nazi Germany after the invasion.[69]Churches were systematically closed[70] and mostpriests were either murdered, imprisoned, or deported to the General Government.[70] In the General Government,Hans Frank's diary shows he planned a "war on the clergy".[71] The Germans also closedseminaries andconvents and persecutedmonks andnuns. Between 1939 and 1945, an estimated 2801 members of the Polish clergy were murdered (in all of Poland);[72] of these, 1926 died in concentration camps (798 of them atDachau).[72]108 of them are regarded as blessedmartyrs, withMaximilian Kolbe being regarded as asaint.[73]

The large-scale pacification operations, sometimes called "anti-partisan actions", constituted the core policy of the Nazi regime against Poland and resulted in the death of approximately 20,000 people in less than two years following the invasion. They were mainly conducted in the areas of General Government,Pomerelia, in the vicinity ofWielkopolska,[63] and in the later createdBialystok District.[75]
On 10 September 1939 the policy of collective punishment was introduced, resulting in destruction of villages and towns in the path of Polish defence lines. InBogusze and inLipówka inSuwałki County residents were massacred by theWehrmacht as soon as the Poles retreated.[75] Some 30 other settlements in the vicinity were burned down in the counties ofBielsk,Wysokie Mazowieckie, Suwałki andŁomża, even though there were not used by the retreating Polish forces. AroundBiałystok 19 villages were completely destroyed. InPietraszki elderly people and children were fired at from an army tank, while in the villages ofWyliny-Ruś,Drogoszewo andRutki all civilians were summarily executed, including the elderly.[75]
Terror killings committed by uniformed troops across Poland continued and between 2 October – 7 November 1939, over 8,866 Poles were murdered (53 of them Jews). Among the victims were inOtorowo (20 October), five or 19 Poles shot because a swastika flag was removed by someone;[61]Warsaw (22 November), announcement of the first anti-Jewish legislation: 53 Jews executed in public as punishment for oneeinheimischen Polizisten (local policeman) assaulted on the street;[67]Wawer (27 December), 106/107 murdered;[2][76][77]
By 1943, it was common for the public to be subject to mass murder.[76]


Polish and German historians estimate that during the 1944Warsaw Uprising up to 200,000 civilians perished. Already in 1944SS-GruppenführerHeinz Reinefarth claimed 250,000 dead, which is now considered exaggerated by him for propaganda purposes. Historian Hans von Krannhals claims that at least 10 percent of the victims were killed in mass executions committed by regular German troops,[78] including byHermann Göring Divisions such as the1st Infantry Division acrossPraga, the2nd Motorized Division inCzerniaków, the25th Panzergrenadier Division inMarymont as well as the19th Panzer Division in Praga andŻoliborz districts.[78] The most severe of them took place in the Wola district,[79] where at the beginning of August 1944 tens of thousands of civilians (men, women, and children)[80] were methodically rounded-up and executed byEinsatzkommandos ofSicherheitspolizei operating within the Reinefarth's group of forces under the command ofErich von dem Bach-Zalewski. Executions in the Wola district, referred to as theWola massacre, also included the killings of both the patients and staff of local hospitals. The victims' bodies were collected and burned under pain of death by the members of theVerbrennungskommando made up of captured Polish men. The carnage was so bad that even the German high command were stunned.[81]
Massacres took place in the areas ofŚródmieście (City Centre), Old Town, Marymont, and Ochota districts. In Ochota, civilian killings, rapes, and looting were conducted by the members of RussianSS Sturmbrigade RONA under the command ofBronislav Kaminski and the SSDirlewanger under the command ofOskar Dirlewanger. Until the end of September 1944,Polish resistance fighters were not considered by the Germans as combatants and were summarily executed when captured. After the fall of the Old Town, during the beginning of September, the remaining 7000 seriously wounded hospital patients were executed or burned alive often with the medical staff who cared for them. Similar atrocities took place later across Czerniaków. Captured insurgents were hanged or otherwise executed after the fall ofPowiśle and Mokotów districts as well.[82]
| Timeline of civilian massacres during the Warsaw Uprising | |
|---|---|
| 2 August 1944 | Mokotów Prison on Rakowiecka Street – about 500 prisoners murdered.[83] |
| 2 August 1944 | Jesuit monastery on Rakowiecka Street –about 40 Poles murdered, incl. 16 Jesuits.[83] |
| 2 August 1944 | Ochota – All hostages executed.[83] |
| 4 August 1944 | Ochota – Start of methodicalmassacre of residents.[83] At Olesińska St. inMokotów, up to 200 civilians blown up with hand granades thrown into a single basement.[84] |
| 5 August 1944 | Ochota – Beginning of wholesale massacre ofRadium Institute patients and personnel – about 170murdered in total. |
| 5 August 1944 | Wola – Beginning of wholesale massacre of residents.[80] In total 10,000,[83] 20,000[79] or 40,000 residents murdered.[80] |
| 5 August 1944 | Wola – Wola Hospital – about 360 patients and personnel murdered.[79][83] |
| 5 August 1944 | Wola – St. Lazarus Hospital – about 1000 patients and personnel murdered.[79][83] |
| 6 August 1944 | Karol and Maria [Szlenkier] Children's Hospital – over 100 patients murdered.[79][83] |
| 8 August 1944 | Old Town – Germans set fire to historic buildings in the Old Town.[83] |
| 10 August 1944 | Ochota – Brigade SS-RONA are continuing to kill residents.[83] |
| 28 August 1944 | Polish Security Printing Works – Injured, field hospital staff and civilians sheltered in the basement are murdered.[83] |
| 29 August 1944 | Various – Germans murder old people and invalids from a captured municipal shelter.[83] |
| 2 September 1944 | Warsaw Old Town – 300 patients are murdered.[85] |
| 2 September 1944 | Old Town – 7000 civilians are murdered.[83] |
More than 200,000 Poles were killed in the uprising.[66][86] Out of 450,000 surviving civilians, 150,000 were sent to labour camps in Germany,[87][88] and 50,000[87] to 60,000[83] were shipped to death and concentration camps.
The atrocities preceded theplanned destruction of Warsaw by Hitler who threatened to "turn it into a lake".[89] After the rising had ended, the Germans continued to systematically destroy the city.[90] The city was left in ruins.[91] Neither von dem Bach-Zalewski nor Heinz Reinefarth faced a trial for their actions in the Warsaw Uprising.[92][93]
In July 1939, a Nazi secret program calledT-4 Euthanasia Program was developed in Germany with the intention of murdering physically or mentally disabled people.[94] The program was put into practice in the occupied territories during the invasion of Poland. Initially, it was implemented according to the following plan: a German director took control over thepsychiatric hospital; under the threat of execution no patient could be released; all were counted and transported from the hospital by trucks to an unknown destination. Each truck was accompanied by soldiers from specialSS detachments who returned without the patients after a few hours. The patients were said to be transferred to another hospital, but evidence showed otherwise. The first action of this type took place on 22 September 1939 inKocborowo at a large psychiatric hospital in theGdańsk region.[94] A firing squad murdered six hospital employees, including a deputy director, along with their patients. By December, some 1800 patients from Kocborowo had been murdered and buried in theForest of Szpęgawsk. In total, 7000 victims were buried there.[95] Another extermination action took place in October 1939 at a hospital in Owińska nearPoznań where 1000 patients (children and adults) were murdered, with 200 more executed a year later.[96]
In addition to executions by firing squad, other methods of mass murder were implemented for the first time at the hospital in Owińska. Some 400 patients, along with medical staff,[97] were transported to a military fortress in Poznań where, inFort VIIbunkers, they were gassed withcarbon monoxide delivered in metal tanks.[98] Other Owińska hospital patients were gassed in sealed trucks by exhaust fumes. The same method was performed in Kochanówek Hospital near Łódź, where 2200 persons were killed between March–August 1940. This was the first successful test of mass murder usinggas van poisoning and this technique was later used and perfected on many other psychiatric patients in occupied Poland and Germany. Starting in 1941, gas vans were used on inmates of theextermination camps. The total number of psychiatric patients murdered by the Nazis in occupied Poland between 1939 and 1945 is estimated to be more than 16,000, with an additional 10,000 patients dying ofmalnutrition and hunger. Additionally, approximately 100 out of 243 members of the Polish Psychiatric Association met the same fate as their patients.[98]

As part of the concerted effort to destroyPolish cultural heritage, the Germans closed universities, schools, museums, public libraries, and dismantled scientific laboratories.[2][99] They tore down monuments to national heroes.[100] Leading Polish academic institutions were reestablished as German. By the end of 1942 over 90 percent of the world-class art previously in Poland – as estimated by the German officials – was put into their own possession.[101] The Polish language had been banned inWartheland; children were forced to learn the basics of German under harsh physical punishment. To prevent the emergence of a next generation of educated Poles, German officials decreed that the schooling of Polish youth would end at the elementary level.[100][102]
A basic issue in the solution of all these problems is the question of schooling and thus the question of sifting and selecting the young. For the non-German population of the East there must be no higher school than the four-grade elementary school. The sole goal of this school is to be--Simply arithmetic up to 500 at the most; writing of one's name; the doctrine that it is a divine law to obey the Germans and to be honest, industrious, and good. I don't think that reading is necessary.
— Himmler's secret memorandum "Reflections on the Treatment of Peoples of Alien Races in the East"[103]
In his capacity as Reich Commissioner,Heinrich Himmler oversaw the kidnapping of Polish children to beGermanised. Historians estimate that between 50,000 and up to 200,000 Polish children were taken from their families during the war. They were sent to farms and families in the Reich never to return.[66][104] Many of the children remained in Germany after the war unaware of their true origin.[12]

At the end of October 1939, the Germans introduced the death penalty for active disobedience to the German occupation.[67] Plans for mass expulsions and the system ofslave labour camps for up to 20 million Poles were made. Himmler thought of moving all Poles to Siberia.[105] In May 1940 he wrote amemorandum;[64] in it, he promised to eventually deport all Poles to the east. Most of them were intended to die during the cultivation of the swamps.[106]
The Germans planned to change ownership of all property in the land incorporated directly into theThird Reich. In a speech to Germancolonists,Arthur Greiser said: "In ten years there will not even be a peasantsmallholding which will not be in German hands". In theWartheland, the Nazi goal was complete Germanization. The formerly Polish territories were to become politically, culturally, socially, and economically German.[107] The Nazis closed elementary schools where Polish was the language taught. Streets and cities were renamed (Łódź becameLitzmannstadt, etc.). Tens of thousands of Polish enterprises from large industrial firms to small shops, were seized without payment to the owners.[108] Signs posted in public places warned: "Entrance forbidden for Poles, Jews, and dogs." The forced resettlement affected two million Poles. In the severe winter of 1939–40 families were made to leave behind almost everything without any recompense.[99] As part of Operation Tannenberg alone, 750,000 Polish peasants were forced out of their homes which were levelled, and the land given to German colonists and servicemen.[109] A further 330,000 were murdered.[110]
All Polish males were required to performforced labour.[66] Between 1939 and 1945, at least one and a half million Polish citizens were detained and transported to the Reich for forced labour against their will.[66] One estimate has one million (including POWs) from annexed lands and 1.28 million from the General Government.[111][112] ThePolish Ministry of Foreign Affairs believes the figure was more than two and half million during the war.[12] TheGentile population of Polish metropolitan cities was targeted for enslavement in thełapanka actions, in which the detachments ofSS,Wehrmacht and police rounded up civilians after cordoning off streets. Between 1942 and 1944 in Warsaw, approximately 400 Poles were captured inłapankas every day. Many were teenage boys and girls. Although Germany also used forced labourers fromWestern Europe, Poles, along with other Eastern Europeans viewed as inferior,[66] were subject to especially harshdiscriminatory measures. They were forced to wear identifying purple Ps sewn to their clothing, subjected to acurfew, and banned frompublic transport. While the treatment of factory workers or farm hands often varied depending on the individual employer, Polish labourers as a rule were compelled to work longer hours for lower wages than Western Europeans,[113] and in many cities, they were forced to live insegregatedbarracks behindbarbed wire. Social relations with Germans outside work were forbidden and sexual relations with them were considered "racial defilement", punishable by death.[114] During the war, hundreds of Polish men were executed for their relations with German women.[115]
The camp system where Poles were detained, imprisoned and forced to labour, was one of fundamental structures of the Nazi regime, and with the invasion of Poland became the backbone of German war economy and the state organized terror. It is estimated that some five million Polish citizens went through them.[116]
The incomplete list of camp locations with at least one hundred slave labourers, included in alphabetical order:Andrychy,Antoniew-Sikawa,Augustów,Będzin,Białośliwie,Bielsk Podlaski,Bliżyn,Bobrek, Bogumiłów, Boże Dary,Brusy,Burzenin,Chorzów, Dyle,Gidle,Grajewo,Herbertów,Inowrocław,Janów Lubelski,Kacprowice,Katowice,Kazimierza Wielka,Kazimierz Dolny, Klimontów,Koronowo, Kraków-Podgórze,Kraków-Płaszów,Krychów, Lipusz, łysaków, Miechowice, Mikuszowice,Mircze,Mysłowice, Ornontowice,Nowe,Nowy Sącz,Potulice,Rachanie,Słupia,Sokółka,Starachowice, Swiętochłowice,Tarnogród,Wiśnicz Nowy,Wierzchowiska,Włoszczowa, Wola Gozdowska, Żarki, andZarudzie.[117]

Citizens of Poland, but especially ethnic Poles and Polish Jews, were imprisoned in nearly every camp of theextensive concentration camp system in German-occupied Poland and in the Reich. A majorlabour camp complex atStutthof, east of Gdańsk/Danzig was begun as an internment camp in September 1939.[118] An estimated 20,000 Poles died there as a result of hard labour, executions, disease and starvation. Some 100,000 Poles were deported toMajdanek concentration camp with subcamps in Budzyn, Trawniki,Poniatowa, Kraśnik, Puławy, as well as the"Airstrip", andLipowa added in 1943. Tens of thousands of prisoners died there. An estimated 20,000 Poles died atSachsenhausen outside Poland, 20,000 atGross-Rosen, 30,000 atMauthausen, 17,000 atNeuengamme, 10,000 at Dachau, and 17,000 atRavensbrück.[64] In addition, tens of thousands of Polish people were executed or died in their thousands at other camps, including special children's camps such as in Łódź and its subcamp atDzierżązna,[119] in prisons and other places of detention inside and outside Poland.
TheAuschwitz I concentration camp went into operation on 14 June 1940. The first transport of 728 Polish prisoners consisted mostly of schoolchildren, students and soldiers from the overcrowded prison atTarnów. Within a week another 313 arrived. There were 1666 major transports in August and 1705 in September. This Polish phase of Auschwitz lasted until the middle of 1942.[120] By March 1941, 10,900 prisoners were registered at the camp, most of them Poles.[121]
The most notorious concentration camps in occupied Poland as well as along Nazi German borders included: Gross-Rosen in Silesia, now part of Poland,[122]Janowska, Kraków-Płaszów, Poniatowa (reassigned from forced labour camp),[123]Skarżysko-Kamienna,Soldau, Stutthof,[122] andTrawniki.[123]

During the cold winter of 1944–1945 and temperatures dropping below −20 °C (−4 °F), the Germans perpetrateddeath marches of prisoners of various nationalities from concentration camps, forced labour camps andprisoner-of-war camps.[124][125][126][127]
In 1945, during the German retreat, theGestapo, Wehrmacht andWaffen-SS carried out further massacres and executions of Polish civilians, such as inChojnice (18 January 1945; 800 victims),[128]Wieniec-Zdrój (18 January; nine victims),[129]Płock (19 January 1945; 79 victims),[130]Ostrzeszów (20 January 1945; 14 victims),Pleszew (21 January 1945),Marchwacz (22 January 1945; 63 victims).[131]
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While ethnic Poles were usually subject to selective persecution in an effort to discourage them from resisting the Germans, all ethnic Jews were targeted from the outset.[12] During the first 55 days of the occupation approximately 5,000 Polish Jews were murdered.[132] As of 12 November 1939, all Jews over the age of 12,[133] or 14,[134] were forced to wear theStar of David.[133][134] They were legally banned from working in key industries and in government institutions; to bake bread, or to earn more than 500 zlotys a month.[135] Initially, the Jews were murdered at a lower rate than ethnic Poles.[134]
At the beginning of the occupation, Jews were treated differently as they were gathered together into ghettos in the cities.[65] Himmler ordered all Jews in the annexed lands to be deported to central Poland. In winter 1939–40, about 100,000 Jews were deported.[136] Inside occupied Poland, the Germans createdhundreds of ghettos in which they forced Jews to live. These World War II ghettos were part of the German official policy of removing Jews from public life. The combination of excess numbers of inmates, unsanitary conditions and lack of food resulted in a high death rate among them.[12] The first ghetto was established in October 1939 at Piotrków.[137] Initially the ghettos were open but on 1 May the Łódź ghetto was closed by Germans sealing the Jews inside.[138][139] TheWarsaw Ghetto was closed in November 1940.[76] The Germans started a reservation for Jews near Lublin.[67]
The Germans tried to divide the Poles from the Jews using several laws. One law was that Poles were forbidden from buying from Jewish shops; if they did so, they were subject to execution.[134] Maria Brodacka was the first Pole to be murdered by the Germans for helping a Jew. The Germans used the incident to murder 100 Jews being held as hostages. At the start of the war 1335 Poles were murdered for sheltering Jews.[67]
From 1940 to 1944, it is estimated that starvation and disease caused the death of 43,000 Jews imprisoned in the Holocaust ghettos.[140] In theJózefów Massacre, 1500 Jewish men, women, children and elderly, were killed.[141] Most Polish Jews subsequently perished in the German death camps. Towards the end of 1942, the mass extermination of Polish Jews had started with deportations from urban centres to death camps including Jews from outside Poland.[142]
The Warsaw Ghetto was the largest of the Jewishghettos located in the territory of General Government during World War II,[143] established by Nazi Germany in Warsaw, the pre-war capital of Poland. Between 1941 and 1943, starvation, disease and massdeportations to concentration camps andextermination camps (mainly theTreblinka extermination camp) during theGross-aktion Warschau, reduced the population of the ghetto from an estimated 445,000[144][145] to approximately 71,000.[146] In 1943 the Warsaw Ghetto was the scene of theWarsaw Ghetto Uprising.[147][148] The ghetto was reduced to rubble.[149]
The first German murder camp in occupied Poland was established in late 1941 atChełmno (renamedKulmhof) inannexed lands. The new killing method originated from the earlier practise of gassing thousands of unsuspecting hospital patients atHadamar,Sonnenstein and other euthanasia centres in the Third Reich, known asAction T4.[150] In Chełmnoextermination camp, theSS Totenkopfverbände used mobilegas vans to murder mostly Polish Jews imprisoned at theŁódź Ghetto (Litzmannstadt in German). At least 152,000 people were gassed at Chełmno according to postwar verdict by West Germany,[151] although up to 340,000 victims were estimated by the Polish Main Commission for Investigation of German Crimes in Poland (GKBZNwP), a predecessor of theInstitute of National Remembrance.[152]
Following theWannsee Conference of 1942, as part of highly secretiveOperation Reinhard in occupied Poland, the German government built three regular killing centres with stationary gas chambers in theGeneral Government. It was the most deadly phase of theFinal Solution, based on implementing semi-industrial means of murdering andincinerating people. The new facilities includedTreblinka extermination camp (set up in July 1942),Bełżec (March 1942), andSobibor extermination camp (ready in May 1942). Parallel killing facilities were built atAuschwitz-Birkenau along the already existing Auschwitz I in March 1942, at Majdanek later that year.[151][153]
The first Polish political prisoners began to arrive at Auschwitz I in May 1940. By March 1941, 10,900 were imprisoned there. In September 1941, some 200 ill prisoners, most of them Poles, along with 600 Soviet POWs,[154] were murdered in the first gassing experiments at Auschwitz. Beginning in 1942, Auschwitz's prisoner population became much more diverse, as Jews and other "undesirables" from all over German-occupied Europe were deported to the camp.[155]
About 960,000 Jews were murdered at Auschwitz amongst its 1.1 million victims, including 438,000 Jews from Hungary and 300,000 Polish Jews, 69,000 French Jews, 60,000 Dutch Jews, and 55,000 Greek Jews.[156][157] The Polish scholarFranciszek Piper, the chief historian of Auschwitz, estimates that 140,000 to 150,000 Poles were brought to that camp between 1940 and 1945, and that 70,000 to 75,000 died there as victims of executions, ofmedical experiments, and of starvation and disease.[157] There were also hundreds of thousands of victims murdered at concentration camps in Majdanek, Treblinka, and Warsaw.[122]

For many years during the Soviet domination overCommunist Poland, the knowledge of Ukrainianmassacres of Poles in Volhynia and Eastern Galicia perpetrated against ethnic Poles and Jews, by Ukrainian nationalists and peasants was suppressed for political propaganda reasons.[158] Among the first to suffer mass killings were the units of Polish Army fleeing the German advance in 1939. On top of uniformed men being ambushed, there are records of civilians being murdered along with them, and women raped.[159]
Following the German attack against the USSR, many ethnic Ukrainians viewedNazi Germany as their liberator, in the hopes of establishing an independent Ukraine.[160] The ethnically motivated killings intensified after the Soviet occupation zone was overrun across the regions ofKresy. Some 200 Polish refugees were murdered at Nawóz.[161] Ethnic Ukrainians were also among the supporters of the rounding up and murdering of Jews.[162]
Numerous sources state that as soon as the Germans advanced toward Lviv, Ukrainian countrymen began to murder Jews in territories with predominantly Ukrainian populations.[163][164] It is estimated that, in this wave ofpogroms across 54 cities, some 24,000 Jews were killed.[165] With many Jews already executed or fleeing, the organized groups of Ukrainian nationalists underMykola Lebed began to target ethnic Poles,[5] including pregnant women and children.[5]
During the subsequent campaign of ethnic cleansing by Ukrainian nationalists gathered into paramilitary groups under the command of theUkrainian Insurgent Army (OUN-UPA) and theOrganization of Ukrainian Nationalists (OUN-B) partisan groups, some 80,000–100,000 Polish citizens were murdered.[166] Locations, dates and numbers of victims include (in chronological order): Koszyszcze (15 March 1942), 145 Poles plus 19 Ukrainian collaborators, seven Jews and nine Russians, massacred in the presence of the German police; Antonówska (April), nine Poles; Aleksandrówka (September), six Poles; Rozyszcze (November), four Poles; Zalesie (December), nine Poles; Jezierce (16 December), 280 Poles; Borszczówka (3 March 1943), 130 Poles including 42 children killed by Ukrainians with the Germans; Pienki, Pendyki Duze & Pendyki Male, three locations (18 March), 180 Poles; Melnytsa (18 March), about 80 Poles, murdered by Ukrainian police with the Germans; Lipniki (25 March), 170 Poles; Huta Majdanska (13 April), 175 Poles; Zabara (22–23 April), 750 Poles; Huta Antonowiecka (24 April), around 600 Poles; Klepachiv (5 May), 42 Poles;Katerburg (7–8 May), 28 Poles, ten Polish Jews and two mixed Polish-Ukrainian "collaborator" families; Stsryki (29 May), at least 90 Poles; Hurby (2 June), about 250 Poles; Górna Kolonia (22 June), 76 Poles; Rudnia (11 July), about 100 Poles; Gucin (11 July), around 140, or 146 Poles; Kalusiv (11 July), 107 Poles; Wolczak (11 July), around 490 Poles; Orzesyn (11 July), 306 Poles; Khryniv (11 July), around 200 Poles; Zablocce (11 July), 76 Poles; Mikolajpol (11 July), more than 50 Poles; Jeziorany Szlachecki (11 July), 43 Poles; Krymno (11 July), Poles gathered for church mass murdered; Dymitrivka (22 July), 43 Poles; Ternopil (August), 43 Poles; Andrzejówka (1 August), 'scores' of Poles murdered; Kisielówka (14 August), 87 Poles; Budy Ossowski (30 August), 205 Poles including 80 children; Czmykos (30 August), 240 Poles; Ternopol (September), 61 Poles; Beheta (13 September), 20 Poles; Ternopil (October), 93 Poles; Lusze (16 October), two Polish families; Ternopil (November), 127 Poles, a large number of nearby settlements destroyed; Stezarzyce (6 December), 23 Poles; Ternopil (December), 409 Poles; Ternopil (January 1944), 446 Poles.[73][167][168]
It is estimated that anywhere between 200,000[5][169] and 500,000 civilians of all ethnic backgrounds died[5] during the OUN-UPA ethnic cleansing operations in eastern Poland. Some Ukrainians also collaborated asTrawniki guards at the concentration and extermination camps, most notably atTreblinka.[170]
Some Poles also murdered ethnic Ukrainians in retaliation, as in the case ofPawłokoma.[171]
Lithuanian authorities had been aiding Germans in their actions against Poles since the very beginning of German occupation in 1941, which resulted in the deaths of thousands of Poles.[172] Thousands of Poles were killed by Lithuanian collaborators working with Nazis (like the German subordinatedLithuanian Security Police[173] or theLithuanian Territorial Defense Force under the command of generalPovilas Plechavičius,[174] many more were deported into Germany asslave labour.[175])Tadeusz Piotrowski notes that thousands of Poles died at the hand of Lithuanian collaborators, and tens of thousands were deported.[175]

In autumn 1943 Armia Krajowa started operations against the Lithuanian collaborative organization, theLithuanian Security Police, which had been aiding Germans in their operation since its very creation.[176] Polish political and military underground cells were created all over Lithuania, Polish partisan attacks were usually not only in Vilnius Region but across the former demarcation line as well.[177] Soon a significant proportion of AK operations became directed againstNazi Germany allied Lithuanian Police and local Lithuanian administration. During the first half of 1944 AK killed hundreds of Lithuanians serving in Nazi auxiliary units or organizations: policemen, members of village self-defence units, servants of local administration, soldiers of the Lithuanian Territorial Defense Force and other Nazi collaborators.[176][178] Civilians on both sides increasingly numbered among the casualties.[179][180][181]
In response, Lithuanian police, who had murdered hundreds of Polish civilians since 1941,[179] increased its operations against the Poles, executing many Polish civilians; this further increased thevicious circle and the previously simmering Polish–Lithuanian conflict over the Vilnius Region deteriorated into a low-levelcivil war under German occupation.[182] The scale of disruption grew over time; Lithuanian historianStanislovas Buchaveckas [lt] noted, for example, that AK was able to paralyze the activities of many Lithuanian educational institutions in 1943.[183]
In May 1944, in thebattle of Murowana Oszmianka AK dealt a significant blow to the Lithuanian Territorial Defense Force which has been terrorizing local Polish population.[178] At that time,Aleksander Krzyżanowski, AK commander of Vilnius region, commanded over 9000 armed Armia Krajowa partisans.
There are also claims ofsmaller scale killings of ethnic Lithuanians.[184] On 23 June 1944, in response toan earlier massacre on 20 June of 37 Polish villagers inGlitiškės (Glinciszki) by Lithuanian Security Police[173][175] rogue AK troops from the unit of the5th Vilnian Home Army Brigade (under the command ofZygmunt Szendzielarz "Łupaszko" who was not present at the events)[175] committeda massacre of Lithuanian policemen and civilians, atDubingiai (Dubinki), where 27 Lithuanians, including women and children, were murdered.[173] These rogue units were acting against specific orders of Krzyżanowski which forbade reprisals against civilians[175] In total, the number of victims of Polish revenge actions at the end of June 1944 in Dubingiai and neighbouring towns ofJoniškis,Inturkė [lt],Bijutiškis [lt], andGiedraičiai, was 70–100 Lithuanians, including many civilians.[180][177] The Massacre at Dubingiai was the only known massacre carried out by units of AK.[173][175] Further escalation by either side was cut short by the Soviet occupation of Vilnius region two weeks later.
Nazi Germany also committed crimes against citizens of other countries deported to occupied Poland, especiallySoviet andItalian prisoners of war, who were deliberately neglected and starved, deprived of rudimentary sanitation and medical care, resulting in numerous epidemics, or executed.[185] There were even cases of cannibalism among Soviet POWs due to starvation, as recorded in Stalag 342 inMołodeczno.[186] Jews and communists among Soviet POWs were mostly executed, with some deported to concentration camps, whereas at Stalag 328 they were imprisoned without any food to starve to death.[187] The largest number of victims, at least tens of thousands each, were in campsStalag 307, Stalag 319, Stalag 328 andStalag I-F.[188] Mass executions of Italian POWs were carried out in the Stalag 319 and Stalag 327 camps.[189] There were also cases of killings of French, Belgian and Dutch POWs for escape attempts.[190]
Amongst the first to suffer mass repressions at the hands of the Soviets were theBorder Defence Corps. Many officers were murdered by theNKVD secret police immediately after capture. Polish GeneralOlszyna-Wilczyński was shot without due process at the moment of his identification.[191] In the Wilno area all higher officers of the Polish Army died in captivity, the same as in Polesie, where 150 officers were already executed even before the remainder were taken prisoner. Uniformed men captured in Rohatyń were murdered along with their wives and children.[191]
On the Ukrainian front 5264 officers (including ten generals), 4096 non-commissioned officers and 181,223 soldiers were taken into captivity.[192] Polish regular troops inLviv, including police forces, voluntarily laid down their arms after agreeing to the Soviet terms for surrender, which offered them the freedom to travel to neutral Romania and Hungary. The Russian leadership broke the agreement entirely. All the Polish servicemen were arrested and sent to the Soviet POW camps, including 2,000 army officers.[193] In thesubsequent wave of repressions which lasted for twenty-one months (see:Operation Barbarossa) some 500,000 Poles dubbed "enemies of the people" were imprisoned without crime.[194]

Following the invasion, in April and May 1940 the NKVD secret police perpetrated the single most notorious wartime atrocity against any prisoners of war held by the Soviet Union. In theKatyn massacre nearly twenty-two thousand Polish nationals were murdered in mass executions simultaneously. They included army officers, political leaders, civil servants, government officials, intellectuals, policemen, landowners, and scores of ordinary soldiers.[195][196] The Katyn Forest nearSmolensk, Russia, was the primary execution site where 4,443 officers (the entire Polish military echelon in the custody of the Soviets),[197][198] were murdered by the Soviet secret police.[199] The name Katyn is now associated with the systematic execution of up to 21,768 Polish citizens in several locations ordered through a single document, including at theKozelsk prisoner-of-war camp as well as theStarobelsk andOstashkov camps.[195][200][199]
Among the victims of the massacre were 14 Polish generals, includingLeon Billewicz,Bronisław Bohaterewicz,Xawery Czernicki (admiral),Stanisław Haller, Aleksander Kowalewski,Henryk Minkiewicz,Kazimierz Orlik-Łukoski,Konstanty Plisowski,Rudolf Prich (murdered in Lviv),Franciszek Sikorski,Leonard Skierski,Piotr Skuratowicz,Mieczysław Smorawiński andAlojzy Wir-Konas (promoted posthumously).[201]

An estimated 1.2 to 1.7 million Polish nationals (entire families with children, women, men, and elderly) were loaded onto freight trains and deported to the eastern parts of the USSR, the Urals, and Siberia.[202] The Soviets used against Poles the same process of subjugation used against their own citizens for many years beforehand, especiallymass deportations.[203] In 1940 and the first half of 1941, the Soviets removed Poles from their homes in four major waves.[2][204] The first deportation action took place from 10 February 1940 on,[205][206] with more than 220,000 victims,[207] sent to northern European Russia; the second, on 13–15 April 1940, affected 300,000 to 330,000 Poles,[207][208] sent primarily to Kazakhstan. The third wave, in June–July 1940, totalled 240,000–400,000 victims.[207] The fourth wave took place in June 1941, deporting 200,000 Poles including a large number of children.[209][210]
On top of deporting Polish citizens en masse, the Soviets forcibly drafted Polish men into the Red Army.[2] It is estimated that 210,000 young Polish males were conscripted as newly declared Soviet subjects following the annexation ofKresy.[140]
The invading Soviets set out to remove Polish cultural influences from the land under concocted premises of class struggle and dismantle the former Polish system of administration.[211] All Polish nationals in occupied territories were declared to be citizens of the Soviet Union starting on 29 November 1939.[212] Many Polish social activists and community leaders were eliminated throughjudicial murder, the unjustified use of capital punishment. Captured Poles were transported toSoviet Ukraine where most of them were executed in the dungeons of the NKVD inKharkiv, the second largest city in Ukraine.[213]
Religious education was forbidden. Schools were forced to serve as tools of communist indoctrination. Monuments were destroyed (for example, in Wołczyn, the remains of KingStanisław August Poniatowski were ditched), street names changed, bookshops closed, libraries burned and publishers shut down. Collections from Tarnopol, Stanisławów and Sokal were transported to Russian archives.[212] Taxes were raised and religious institutions were forced to close.[214] The Soviets replaced thezloty with therouble, but gave them blatantly absurd equal value. Businesses were mandated to stay open and sell at pre-war prices, hence allowing Soviet soldiers to buy goods with roubles. Entire hospitals, schools and factories were moved to the USSR.[215] Soviet censorship was strictly enforced. Even the ringing of church bells was banned.[214]
The Polish territories were split between the Ukrainian and Byelorussian SSRs with Ukrainian and Belarusian declared as the official languages in local usage, respectively.[216] Some Polish citizens of various ethnic backgrounds (i.e. Belarusians and some Jews) welcomed the Soviet invasion in the hope of gaining political concessions and actively cooperated with the Soviets.[10] This resulted in retaliatory actions following Operation Barbarossa, including theJedwabne pogrom (or Jedwabne massacre) of Jewish people living in and near the town ofJedwabne in Bezirk Bialystok, that took place in July 1941.[217] The official investigation of thePolish Institute of National Remembrance confirmed that the crime was "committed directly by Poles, but inspired by the Germans".[218]

Following the German attack on the Soviet Union on 22 June 1941,Operation Barbarrossa, the SovietNKVD (Secret Police) panicked and executed their prisoners en masse before retreating in what became known as theNKVD prisoner massacres.[210] The most conservative estimate puts death toll in the prisons at up to 30,000,[219] although there may have been as many as 100,000 victims of the Soviets as they retreated.[219] The British intelligence officer and postwar historianGeorge Malcher puts the total at 120,000 for those killed in NKVD prisons and during the Soviet flight. Stalin ordered the execution of those believed to have spied on the Soviet Union, which meant practically everyone for the secret police operatives.[220]
According to the NKVD records, nearly 9,000 prisoners were murdered in theUkrainian SSR in these massacres.[221] Due to the confusion during the rapid Soviet retreat and incomplete records, the NKVD number is most likely an undercounting. According to estimates by contemporary historians, the number of victims in the territories previously annexed to Soviet Ukraine (easternGalicia, westernPolesia, and westernVolhynia) was probably between 10,000 and 40,000.[222] By ethnicity, Ukrainians comprised roughly 70 per cent of victims, with Poles at 20 per cent and the rest being Jews and other nationalities.[223]
The Soviets left thousands of corpses piled up in prison yards, corridors, cells, basements, and NKVD torture chambers, as discovered by the advancing Germans in June–July 1941. The following is a partial list of prisons and other secret execution places, where mass murder took place; compiled by historianTadeusz Piotrowski, and others.[224]
In eight pre-war Polishvoivodeships, the number of dead was between 32,000 and 34,000. The locations in alphabetical order included: Augustów prison: (with 30 bodies);Berezwecz: (with 2000, up to 3000 dead); Białystok: (with hundreds of victims); Boryslaw, (dozens); Bóbrka: (9–16); Brzeżany: (over 220); Busk: (about 40); Bystrzyca Nadwornianska,Cherven, Ciechanowiec: (around 10); Czerlany: (180 POWs); Czortków, Dobromil: (400 murdered); Drohobycz: (up to 1000); Dubno: (around 525); Grodno: (under 100); Gródek Jagiellonski: (3); Horodenka, Jaworów: (32); Kałusz, Kamionka Strumilowa: (about 20); Kołomyja, Komarno, Krzemieniec: (up to 1500); Lida,Lwów (over 12,000 murdered in 3 separate prisons); Łopatyn: (12);Łuck: (up to 4000 bodies); Mikolajów, Minsk: (over 700); Nadworna: (about 80); Oleszyce, Oszmiana: (at least 60); Otynia: (300); Pasieczna, Pińsk: ("dozens to hundreds"); Przemyślany: (up to 1000); Równe: (up to 500); Rudki: (200); Sambor: (at least 200, up to 720); Sarny: (around 90); Sądowa Wisznia: (about 70); Sieniatycze: (15); Skniłów: (200 POWs); Słonim, Stanisławów: (about 2800); Stryj: (at least 100); Szczerzec: (about 30); Tarasowski Las: (about 100); Tarnopol: (up to 1000);Wilejka: (over 700); Wilno: (hundreds); Włodzimierz Wołynski, Wołkowysk: (seven); Wołożyn: (about 100); Wolozynek, Zalesiany, Zaleszczyki, Zborów: (around 8); Złoczów: (up to 750); Zółkiew: (up to 60) and Zydaczów.[210][206][225][219][226][227]
It was not only prisoners who were murdered by the NKVD as the Soviets retreated. Other Soviet crimes include Brzeżany, where Soviet soldiers threw hand grenades into homes, and Czortków, where four priests, three brothers and atertiary were murdered.[228]
The role of Soviets is debated by historians. Questions are asked about the Soviet political motives in halting their advance on the city during the uprising, thus allowing for the destruction to continue, and denying the use of their airfields to theRoyal Air Force andUnited States Army Air Forces.[229]
With the return of the Soviets, the killings and deportations started again.[228] Stalin turned his attention to theArmia Krajowa (Home Army) which was seen as an obstacle in Soviet goals of controlling Poland hence the NKVD set out to destroy them.[230] The Poles were accused of having Germans spies in their ranks, trying to take control of the Polish units fighting along with the Red Army, and causing desertions.[207] Home Army units which fought against the Germans in support of the Soviet advance had their officers and men arrested. At Wilno and Nowogrodek, the Soviets shipped to concentration camps 1500 officers and 5000 troops.[231]

The Home Army was made illegal. As a result, it is estimated up to 40,000 Home Army partisans were persecuted and many others deported.[231] In the Lublin area more than 50,000 Poles were arrested between July 1944 and June 1945.[228] It is suspected that the NKVD carried out killings in the Turza Wood where 17 bodies have been found,[232] although witnesses put the total at 600.[233] At Baran Wood, 13 bodies have been found but witnesses again claimed hundreds. Records show that 61 death sentences were carried out plus 37 in October 1944 alone.[233]
Upon the conclusion of World War II, Poland remained under Soviet military control.[234] Approximately 60,000 soldiers of the Home Army had been arrested by the NKVD. Some 50,000 of them were deported to thegulags and prisons deep in the Soviet Union.[235] After several months of brutal interrogation and torture,[236] 16 leaders of thePolish Underground State were sent to jails in the USSR aftera staged trial on trumped-up charges in Moscow. The Soviet ArmyNorthern Group of Forces was stationed in the country until 1956. The persecution of the anti-Nazi resistance members was only a part of the reign ofStalinist terror in Poland. In the period of 1944–56, approximately 300,000 Polish people had been arrested,[237] or up to two million, according to differing accounts.[235] There were 6,000 political death sentences issued, the majority of them carried out.[237] It is estimated that over 20,000 people died in communist prisons including those executed "in the majesty of the law" such asWitold Pilecki orEmil August Fieldorf.[235]

Around six million Polish citizens died between 1939 and 1945; an estimated 4,900,000 to 5,700,000 were murdered by German forces and 150,000 to one million by Soviet forces.[1][4][66][238]
In August 2009 the PolishInstitute of National Remembrance (IPN) researchers estimated Poland's dead (including Polish Jews) at between 5.47 and 5.67 million (due to German actions) and 150,000 (due to Soviet), or around 5.62 and 5.82 million total.[239]
During World War II, Jews in Poland suffered the worst percentage loss of life compared to all other national and ethnic groups. The vast majority were civilians. On average, 2800 Polish citizens died per day during its occupation.[240] Poland's professional classes suffered higher than average casualties with doctors (45%), lawyers (57%), university professors (40%), technicians (30%), clergy (18%) and many journalists.[2]
It was not only Polish citizens who died at the hands of the occupying powers but many others.Tadeusz Piotrowski estimates that two million people belonging to fifty different nationalities from 29 countries were exterminated by the Germans in occupied Poland. This includes one million foreign Jews transported from across Europe to die in theNazi extermination camps on Polish soil, along with 784,000Soviet POWs and 22,000 Italian POWs.[241]
Executions took place in front of, and in the courtyard of the townhall; behind the offices of the Wydział Techniczny Zarządu Miejskiego; at the New Market Square (currently Daszyński Square); inside the Church of św. Zygmunta; at Strażacka street in front of the Brass' Works; and at the Cathedral Square as well as inside the Cathedral.
{{cite book}}: CS1 maint: multiple names: authors list (link){{cite web}}: CS1 maint: bot: original URL status unknown (link). The Warsaw Rising Museum.{{cite web}}: CS1 maint: bot: original URL status unknown (link). Muzeum Powstania Warszawskiego [Museum of the Warsaw Uprising].{{cite web}}: CS1 maint: bot: original URL status unknown (link). Muzeum Powstania Warszawskiego [Museum of the Warsaw Rising].{{cite web}}: CS1 maint: bot: original URL status unknown (link). Muzeum Powstania Warszawskiego [Museum of the Warsaw Rising].{{cite web}}: CS1 maint: bot: original URL status unknown (link). Muzeum Powstania Warszawskiego.{{cite web}}: CS1 maint: bot: original URL status unknown (link). Muzeum Powstania Warszawskiego.{{citation}}: CS1 maint: publisher location (link).Według ustaleń Czesława Łuczaka, do wszelkiego rodzaju obozów odosobnienia deportowano ponad 5 mln obywateli polskich (łącznie z Żydami i Cyganami). Z liczby tej zginęło ponad 3 miliony.
Text in English made available by "The Holocaust in Gombin" digital Archive
{{citation}}: CS1 maint: location missing publisher (link){{cite book}}:|work= ignored (help)From German originalAuftakt zum Vernichtungskrieg: Die Wehrmacht in Polen 1939,ISBN 3596163072.
The Basic Documentary Material on the Nazi Crimes Committed in Poland...
Reprint from Collins 1986 original,ISBN 0002163055.
Chapters 29–31 by Polonsky 1983.
McFarland, 2007reprint, (Google Books search inside).ISBN 0786429135.
{{cite book}}:External link in|quote= (help)Reprint by Hippocrene 1998,ISBN 0781806046.
Almost complete list. Names of Soviet prisons and Gulags in Polish transliteration.