| East African campaign | |||||||||
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| Part of theAfrican theatre of World War I | |||||||||
 AnAskari company ready to march inGerman East Africa (Deutsch-Ostafrika) | |||||||||
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| Belligerents | |||||||||
| Commanders and leaders | |||||||||
 Jan SmutsJacob van Deventer Arthur Hoskins Charles TombeurArmand Huyghé Ferreira GilJoão Teixeira Pinto † |  Paul von Lettow-VorbeckHeinrich Schnee (POW)Kurt WahleTom von Prince † | ||||||||
| Strength | |||||||||
| British Empire Initially: 2 battalions[1] 12,000–20,000 soldiers Total: 250,000 soldiers[2] 600,000porters[3] | Schutztruppe Initially: 2,700[a] Maximum: 18,000[b] 1918: 1,283[c] Total: 22,000[d] Ruga-Ruga 12,000+[7][e] | ||||||||
| Casualties and losses | |||||||||
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365,000 civilians died in war-related famines.[i]
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TheEast African campaign inWorld War I was a series of battles andguerrilla actions, which started inGerman East Africa (GEA) and spread to portions ofMozambique,Rhodesia,British East Africa, theUganda, and theBelgian Congo. The campaign all but ended in German East Africa in November 1917 when the Germans entered Mozambique and continued the campaign living off Portuguese supplies.[14]
The strategy of the German colonial forces, led byLieutenant Colonel (laterMajor General)Paul von Lettow-Vorbeck, was to divertAllied forces from theWestern Front to Africa. His strategy achieved mixed results after 1916 when he was driven out of German East Africa. The campaign in Africa consumed considerable amounts of money and war material that could have gone to other fronts.[2][15]
The Germans in East Africa fought for the whole of the war, receiving word of the armistice on 14 November 1918 at 07:30 hours. Both sides waited for confirmation, with the Germans formally surrendering on 25 November. GEA became twoLeague of Nations Class B Mandates,Tanganyika Territory of the United Kingdom andRuanda-Urundi of Belgium, while theKionga Triangle was ceded to Portugal.
German East Africa (Deutsch-Ostafrika) was colonized by the Germans in 1885. The territory spanned 384,180 sq mi (995,000 km2) and covered the areas of modernRwanda,Burundi andTanzania.[16] The colony's indigenous population numbered seven and a half million and was governed by 5,300 Europeans. Although the colonial regime was relatively secure, the colony had recently been shaken by theMaji Maji Rebellion of 1904–1905. The German colonial administration could call on a militarySchutztruppe ("Protection force") of 260 Europeans and 2,470 Africans, in addition to 2,700 white settlers who were part of the reservistLandsturm, as well as a small paramilitaryGendarmerie.[16]
The outbreak of World War I in Europe led to the increased popularity of German colonial expansion and the creation of aDeutsch-Mittelafrika ("German Central Africa") which would parallel a resurgent German Empire in Europe.Mittelafrika involved the annexation of territory, mostly occupied by theBelgian Congo, to link the German colonies in East, South-west and West Africa. Such an annexation would allow Germany to dominate central Africa and would make Germany by far the most powerful colonial power in Africa.[17]
The German colonial military in Africa was weak, poorly equipped and widely dispersed, with the largest military concentration in theGerman colonial empire being in East Africa. Although better trained and more experienced than their opponents, many of the German soldiers were reliant on obsolete weapons such as theModel 1871 rifle, which usedblack powder, giving away the position of the firer.[18]
The militaries of the Allied powers also had similar problems of poor equipment and small size. Most colonial militaries were intended to serve as local paramilitary police for the repression of unrest or rebellion. They were neither equipped nor organized to fight against military forces of foreign powers.[19]
The objective of the German forces in East Africa, led by Lieutenant-ColonelPaul von Lettow-Vorbeck, was to divert Allied forces and supplies from Europe to Africa. By threatening the important BritishUganda Railway, Lettow hoped to force British troops to invade East Africa, where he could fight a defensive campaign.[20] In 1912, the German government had formed a defensive strategy for East Africa in which the military would withdraw to the hinterland and fight aguerilla campaign.[21] The German colony in East Africa was a threat to the neutral Belgian Congo but the Belgian government hoped to continue its neutrality in Africa. TheForce Publique was constrained to adopt a defensive strategy until 15 August 1914, when German ships on Lake Tanganyika bombarded the port of Mokolobu and then the Lukuga post a week later. Some Belgian officials viewed hostilities in East Africa as an opportunity to expand Belgian holdings in Africa; the capture of Ruanda and Urundi could increase the bargaining power of theDe Broqueville government to ensure the restoration of Belgium after the war.[22] During the post-war negotiation of theTreaty of Versailles, the Colonial Minister,Jules Renkin, sought to trade Belgian territorial gains in German East Africa for the Portuguese allocation in northern Angola, to gain Belgian Congo a longer coast.[23]
The governors of the British and German East Africa wanted to avoid war and preferred a neutrality agreement based on theCongo Act of 1885, against the wishes of the local military commanders and their metropolitan governments. The agreement caused confusion in the opening weeks of the conflict. On 31 July, implementing contingency plans, the cruiserSMS Königsberg sailed fromDar-es-Salaam for operations against British commerce. Britain sent cruisers from theCape Squadron to shadowKönigsberg and be ready to sink her, but she narrowly evaded them.[24] Britain declared war on 4 August; on 5 August, troops from the Uganda protectorate assaulted German river outposts near Lake Victoria.[25]
On the same day, the British War Cabinet decided to send anIndian Expeditionary Force (IEF) to occupy East Africa and thereby eliminate its ports as bases for raiders.[26] On 8 August, theRoyal Navy cruiserHMS Astraea shelled the wireless station atDar es Salaam.Astraea's captain then agreed to a ceasefire, on condition the town remained an open city.[27] This agreement caused discord between Vorbeck and GovernorHeinrich Schnee, his nominal superior, who opposed and later ignored the agreement;Astraea's captain was also reprimanded for exceeding his authority. Before theBattle of Tanga, when the IEF attempted to land there, the Royal Navy felt obliged to give warning that they were abrogating the agreement, forfeiting surprise.[28]
In August 1914, the military and para-military forces in both colonies were mobilised, despite restrictions imposed by the two governors. The GermanSchutztruppe in East Africa had260 Germans of all ranks and2,472Askari, equivalent to the two battalions of theKing's African Rifles (KAR) in the British East African colonies.[29][1] On 7 August, German troops atMoshi were informed that the neutrality agreement was at an end and ordered to raid across the border. On 15 August, Askari in theNeu Moshi region engaged in their first offensive operation of the campaign. Two companies of Askari (300 men) seizedTaveta, on the British side ofMount Kilimanjaro, with the British firing a token volley and retiring in good order.[30] The Askari detachment onLake Tanganyika raided Belgian facilities, seeking to destroy the steamerCommune and gain control of the lake. The Germans were unsure of the intentions of Portugal, which was not yet a British ally; on 24 August, German troops attacked Portuguese outposts across theRovuma, causing a diplomatic incident which was only smoothed over with difficulty.[19]
In September, the Germans began to raid deeper intoBritish Kenya andUganda. German naval power on Lake Victoria was limited to the gunboatKingani, atugboat armed with onepom-pom gun, which caused minor damage and made a great deal of noise. The British armed the Uganda Railway lake steamersSS William Mackinnon,SS Kavirondo,SS Winifred, andSS Sybil as improvised gunboats. They trappedKingani, which was scuttled by the Germans.[31] The Germans later raisedKingani, dismounted her gun, and used her as a transport. WithKingani disarmed and her "teeth removed, British command of Lake Victoria was no longer in dispute."[32]
To solve the raiding nuisance and to capture the northern, colonised region of the German colony, the British devised a plan for a two-pronged invasion. IEF "B" of8,000 troops in two brigades, would carry out an amphibious landing atTanga on 2 November 1914, to capture the city and gain control the Indian Ocean terminus of theUsambara Railway. In the Kilimanjaro area, IEF "C" of4,000 men in one brigade would advance from British East Africa on Neu-Moshi on 3 November 1914, to the western terminus of the railroad (seeBattle of Kilimanjaro). After capturing Tanga, IEF "B" would rapidly move north-west, join IEF "C" and mop up the remaining German forces. Although outnumbered8:1 at Tanga and4:1 at Longido, theSchutztruppe under Vorbeck prevailed. In the East Africa volume of the British official history (1941), Charles Hordern described the events as one of "the most notable failures in British military history".[33]
Two regular army regiments fought in the East African campaign. The 2nd Battalion,Loyal North Lancashire Regiment arrived withIndian Expeditionary Force B the force that tried to capture Tanga and after this stayed on the border between British and German East Africa. The25th (Frontiersmen) Battalion, Royal Fusiliers was raised for service in East Africa in early 1915 and served throughout the war. Colonists were supplied byRhodesia in 1914–1915 including the 2nd Rhodesia Regiment, the Nyasaland Field Force and South African troops including theSouth African Expeditionary Force which arrived in February 1916.[34]
Königsberg of theImperial German Navy was in the Indian Ocean when war was declared. In theBattle of Zanzibar,Königsberg sank the oldprotected cruiserHMS Pegasus inZanzibar harbour and then retired into theRufiji River delta.[35] After being cornered by warships of the British Cape Squadron, including an oldpre-dreadnought battleship, two shallow-draughtmonitors with 6 inches (150 mm) guns were brought from England and demolished the cruiser on 11 July 1915.[36] The British salvaged and used six 4 inches (100 mm) guns fromPegasus, which became known as the Peggy guns; the crew ofKönigsberg and the 4.1 inches (100 mm) main battery guns were taken over by theSchutztruppe and were used until the end of hostilities.[37]
The Germans had controlled the lake since the outbreak of the war, with three armed steamers and two unarmed motor boats. In 1915, two British motorboats,HMSMimi andToutou each armed with a 3-pounder and aMaxim gun, were transported 3,000 mi (4,800 km) by land to the British shore of Lake Tanganyika. They captured the German shipKingani on 26 December, renaming itHMS Fifi and with two Belgian ships under the command of CommanderGeoffrey Spicer-Simson, attacked and sank the German shipHedwig von Wissmann. TheGraf von Götzen and theWami, an unarmed motor boat, became the only German ships left on the lake. In February 1916, theWami was intercepted and run ashore by the crew and burned.[38] Lettow-Vorbeck then had itsKönigsberg gun removed and sent by rail to the main fighting front.[39] The ship was scuttled in mid-July after a seaplane bombing attack by the Belgians on Kigoma and before advancing Belgian colonial troops could capture it;Wami was later re-floated and used by the British.[40][j]
GeneralHorace Smith-Dorrien was assigned with orders to find and fight theSchutztruppe but he contracted pneumonia during the voyage toSouth Africa, which prevented him from taking command. In 1916, GeneralJan Smuts was given the task of defeating Lettow-Vorbeck.[42] Smuts had a large army (for the area), some13,000 South Africans includingBoers, British, Rhodesians and7,000Indian and African troops, a ration strength of73,300 men.[k] There was a Belgian force and a larger but ineffective group ofPortuguese military units based inMozambique. A largeCarrier Corps composed of African porters under British command, carried supplies into the interior. Despite the Allied nature of the effort, it was a South African operation of theBritish Empire. During the previous year, Lettow-Vorbeck had also gained personnel and his army was now13,800 strong.[43]
Smuts attacked from several directions, the main attack coming from British East Africa (Kenya) in the north, while substantial forces from the Belgian Congo advanced from the west in two columns, crossing Lake Victoria on the Britishtroop shipsSS Rusinga andSS Usoga and into the Rift Valley. Another contingent advanced over Lake Nyasa (Lake Malawi) from the south-east. All these forces failed to capture Lettow-Vorbeck and they all suffered from disease along the march. The 9th South African Infantry, started with 1,135 men in February, and by October its strength was reduced to 116 fit troops, with little fighting. The Germans nearly always retreated from the larger British troop concentrations and by September 1916, the German Central Railway from the coast at Dar es Salaam toUjiji was fully under British control.[44]
With Lettow-Vorbeck confined to the southern part of German East Africa, Smuts began to withdraw the South African, Rhodesian and Indian troops and replace them with Askari of the King's African Rifles (KAR), which by November 1918 had35,424 men. By the start of 1917, more than half the British Army in the theatre was composed of Africans and by the end of the war, it was nearly all-African. Smuts left the area in January 1917, to join theImperial War Cabinet at London.[45]
The British conscripted120,000 carriers to move Belgian supplies and equipment toKivu (in the east of the Belgian Congo) between late 1915 and early 1916. The lines of communication in the Congo requiredc. 260,000 carriers, who were barred by the Belgian government from crossing into German East Africa; Belgian troops were expected to live off the land. To avoid the plundering of civilians, loss of food stocks and risk of famine, with many farmers already conscripted and moved away from their land, the British set up the Congo Carrier Section of the East India Transport Corps (Carbel) with7,238 carriers, conscripted from Ugandan civilians and assembled at Mbarara in April 1916. TheForce Publique, started its campaign on 18 April 1916 under the command of GeneralCharles Tombeur, ColonelPhilippe Molitor and ColonelFrederik-Valdemar Olsen and capturedKigali in Rwanda on 6 May.[46]
The German Askari in Burundi were forced to retreat by the numerical superiority of theForce Publique and by 17 June, Burundi and Rwanda were occupied. TheForce Publique and the BritishLake Force then started a thrust to captureTabora, an administrative base in central German East Africa. Three columns tookBiharamulo,Mwanza,Karema,Kigoma and Ujiji. At theBattle of Tabora on 19 September, the Germans were defeated and the village occupied.[47] During the march, Carbel lost1,191 carriers died or missing presumed dead, a rate of1:7, which occurred despite the presence of two doctors and adequate medical supplies.[48] To prevent Belgian claims on German territory in a post-war settlement, Smuts ordered their forces to return to the Congo, leaving them as occupiers only in Rwanda and Burundi. The British were obliged to recall Belgian troops in 1917 and the two allies coordinated campaign plans.[49]
Major-GeneralArthur Hoskins (KAR), formerly the commander of the 1st East Africa Division, took over command of the campaign. After four months spent reorganising the lines of communication, he was then replaced by South African Major-GeneralJacob van Deventer. Deventer began an offensive in July 1917, which by early autumn had pushed the Germans 100 mi (160 km) to the south.[50] From15–19 October 1917, Lettow-Vorbeck fought a costly battle atMahiwa, with519 German casualties and2,700 British losses in the Nigerian brigade.[51] After the news of the battle reached Germany, Lettow-Vorbeck was promoted toGeneralmajor.[52][l]
British units forced theSchutztruppe south and on 23 November, Lettow-Vorbeck crossed into Mozambique to plunder supplies from Portuguese garrisons. Lettow-Vorbeck divided his force into three groups on the march; a detachment of1,000 men underHauptmann Theodor Tafel ran out of food and ammunition and was forced to surrender before reaching Mozambique. Lettow and Tafel were unaware they were only one day's march apart. The Germans fought theBattle of Ngomano in which the Portuguese garrison was routed, then marched through Mozambique in caravans of troops, carriers, wives and children for nine months but were unable to gain much strength.[54] In Mozambique, theSchutztruppe won a number of important victories which allowed it to remain active but also came close to destruction during theBattle of Lioma andBattle of Pere Hills.[55][56]
The Germans returned to German East Africa and crossed intoRhodesia in August 1918. From early October, news that could be gleaned went from bad to worse. It was rumoured that Hindenburg was dead and that the Allies were about to impose an armistice on Germany and morale amongst the Germans plunged and desertions by carriers increased. On 9 November the German force reachedKasama whose district officer, Hector Croad, had evacuated the town on hearing of the German approach and stripped it of ammunition. The Germans pursued Croad who had lodged the supplies in a rubber factory on the opposite side of theChambezi River. The Germans began probing attacks on the factory on 12 November, as Lettow-Vorbeck and his column arrived. The Germans captured the factory after a four-hour engagement and the British melted away to the west. A British dispatch rider fell into German hands who told the Germans of theArmistice of 11 November 1918. The information arrived in time to forestall another attack on the rubber factory and Croad met Lettow-Vorbeck, who found it difficult to believe that Germany had lost the war and impossible to accept that the Kaiser had fled to Holland and that Germany had become a republic.[57]
The terms of the armistice were a great shock to the Germans but at11:00 a.m. on 25 November 1918, Lettow-Vorbeck offered his surrender to the British atAbercorn, two weeks after the signing of the armistice in Europe. Brigadier-GeneralWilliam Edwards, Lettow-Vorbeck, Walter Spangenburg, and Captain Anderson, Edwards declining Lettow-Vorbeck's sword. The governor of German East Africa, Heinrich Schnee did not sign the surrender to signify that Germans renounced claims to the colony. Article XVII of the armistice required the evacuation of the German forces from East Africa but the War Office interpreted this as to need unconditional surrender and disarmament, which was carried off "by a judicious mixture of firmness and bluff". Lettow-Vorbeck smelt a rat but was unable to confirm his suspicions with Berlin and gave way under protest.[57][m] The campaign cost the Britishc. £12 billion at 2007 prices.[58]
Nearly 400,000 Allied soldiers, sailors, merchant marine crews, builders, bureaucrats and support personnel participated in the East Africa campaign. They were assisted in the field by 600,000 African bearers. The Allies employed nearly one million people in their pursuit of Lettow-Vorbeck and his small force.[3] Lettow-Vorbeck was cut off and could entertain no hope of victory. His strategy was to keep as many British forces diverted to his pursuit for as long as possible and to make the British expend the largest amount of resources in men, shipping and supplies against him. Although diverting in excess of200,000 Indian and South African troops against his forces and garrison German East Africa in his wake, he could divert no more Allied manpower from the European theatre after 1916. While some shipping was diverted to the African theatre, it was not enough to inflict significant difficulties on the Allied navies.[14]
Soon after the end of the First World War, the narrative about the East African campaign became the subject of mythologization and distortions.[59] Upon returning home, theSchutztruppe veterans, most importantly Lettow-Vorbeck, were treated as "heroes" by Germans who "refused to accept the reality of defeat in the field". Lettow-Vorbeck supported the narrative that his force had remained undefeated. By the time of his surrender, he insisted on signing the surrender documents on several conditions, including that his force was recorded as having stayed in the field until the conflict's end. In reality, he agreed to an unconditional surrender, albeit under protest.[60] In March 1919,Schutztruppe veterans led by Lettow-Vorbeck held a victory parade in their tropical uniforms through theBrandenburg Gate, which was decorated in their honour.[61] He and his troops were celebrated by Germans during the parade and afterwards. Lettow-Vorbeck was granted a series of public honors, with many figures contrasting Lettow-Vorbeck's perceived undefeated status with Germany's defeat in the war. Many right-wing and conservative officials saw Lettow-Vorbeck's force as a hopeful symbol and as a proof that civilians, not the military, were responsible for the post-war crisis.[62] German colonial and military literature as well as theNazi Party pushed the view that Lettow-Vorbeck had been "undefeated in the field" (Im Feld unbesiegt!) as part of the largerstab-in-the-back myth.[59][n] In Germany, Lettow-Vorbeck and the East African campaign became the subject of songs and glorification.[59] Many Allied commanders also felt great respect for the East AfricanSchutztruppe and Lettow-Vorbeck in particular, further enhancing their military reputation.[64]
Views about Lettow-Vorbeck's campaign vary. Many modern historians and other researchers have continued to describe the Germans in East Africa as undefeated at the end of the war.[65][o][66][p][67][q][r] Since the 1990s, some German historians have criticised this view and other narratives about Lettow-Vorbeck as outdated, biased and based on post-war legends.[69]
The fighting in East Africa led to an export boom inBritish East Africa and an increase in the political influence ofWhite Kenyans. In 1914, the Kenyan economy was in decline but because of emergency legislation giving white colonists control over black-owned land in 1915, exports rose from £3.35 million to £5.9 million by 1916. The increase in the value of exports was mostly due to products likeraw cotton andtea. White control of the economy rose from 14 per cent to 70 per cent by 1919.[70]
The campaign and recruiting inNyasaland contributed to the outbreak of theChilembwe rebellion in January 1915, byJohn Chilembwe, an American-educatedBaptist minister. Chilembwe was motivated by grievances against the colonial system including forced labour and racial discrimination. The revolt broke out in the evening of 23 January 1915 when rebels, incited by Chilembwe, attacked the headquarters of theA. L. Bruce Plantation atMagomero and killed three white colonists. An abortive attack on an armoury inBlantyre followed during the night. By the morning of 24 January the colonial authorities had mobilised the colonial militia and redeployed regular military units from the KAR. After a failed attack by government troops on Mbombwe on 25 January, the rebels attacked a Christian mission atNguludi and burned it down. Mbombwe was retaken by government forces unopposed on 26 January. Many of the rebels, including Chilembwe, fled towards Portuguese Mozambique but most were captured. About forty rebels were executed in the aftermath and 300 were imprisoned; Chilembwe was shot dead by a police patrol near the border on 3 February. Although the rebellion did not achieve lasting success, it is commonly cited as a watershed inMalawian history.[citation needed]
In 2001, Hew Strachan estimated that British losses in the East African campaign were3,443 killed in action,6,558 died of disease andc. 90,000 African porters died.[71] In 2007, Paice recordedc. 22,000 British casualties in the East African campaign, of whom11,189 died,9 percent of the126,972 troops in the campaign. By 1917, the conscription ofc. 1,000,000 Africans as carriers, depopulated many districts andc. 95,000 porters had died, among them20 percent of the Carrier Corps in East Africa.[72] Of the porters who died,45,000 were Kenyan, amounting to13 percent of the male population. The campaign cost the British £70 million, close to the war budget set in 1914.[73][74] AColonial Office official wrote that the East African campaign had not become a scandal only "... because the people who suffered most were the carriers - and after all, who cares about native carriers?".[75] The Belgian record of5,000 casualties includes2,620 soldiers killed in action or died of disease but excludes15,650 porter deaths.[76] Portuguese casualties in Africa were5,533 soldiers killed,5,640 troops missing or captured and an unknown but significant number wounded.[77]
In the German colonies, no records of the number of people conscripted or casualties were kept but inDer Weltkrieg, the German official history, Ludwig Boell (1951) wrote "... of the loss of levies, carriers, and boys (sic) [we could] make no overall count due to the absence of detailed sickness records". Paice wrote of a 1989 estimate of350,000 casualties and a death rate of1-in-7 people. Carriers were rarely paid and food and cattle were requisitioned from civilians; a famine caused by the subsequent food shortage and poor rains in 1917 led to another300,000 civilian deaths in German East Africa. The conscription of farm labour in British East Africa and the failure of the 1917–1918 rains, led to famine and in September the1918 flu pandemic reached sub-Saharan Africa. In Kenya and Uganda160,000–200,000 people died, in South Africa there were250,000–350,000 deaths and in German East Africa10–20 percent of the population died of famine and disease; in sub-Saharan Africa,1,500,000–2,000,000 people died in the flu epidemic.[78] Overall, the German conduct of war directly led to the death of at least 350,000 civilians in East Africa. Most German colonial soldiers and officers, including Lettow-Vorbeck, never expressed remorse for these losses.[79]
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