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Baidar Khan, also known asPeta,[1] was the sixth son ofChagatai Khan.He participated inthe European campaign with his nephewBüri from 1235 to 1241. He commanded the Mongol army assigned to Poland withKadan and, probably,Orda Khan.
Baidar defeated manyPoles,Ruthenians,Germans andMoravians. On 13 February 1241 the Mongols crossed the frozenVistula. The town ofSandomierz was taken and plundered. Further to the west, on 18 March Orda and Baidar met the Polish army under the command of DukeBolesław V (not present at the battle) at thebattle of Chmielnik. The Poles were heavily defeated and Boleslaw with a part of his troops fled toMoravia. On 22 March the Mongols stood beforeKraków, many of whose inhabitants had already made their escape. OnPalm Sunday the Mongols set the town on fire and took prisoner large numbers of the people who had remained. Moving further west, Orda and Baidar reached a place east ofOpole, where they forced DukeMieszko the Fat's army to retreat. NearRacibórz they crossed theOder. Racibórz was burnt by its inhabitants when they left the town.Wrocław fell into the hands of the Mongols, although the citadel itself did not surrender. Their first assault against the fortress having failed, the Mongols wasted no time on a siege. They bypassed the citadel and pushed forward to the west.
After defeating a combined force of Poles, Czechs, andTemplars at Legnica (seeBattle of Legnica), Baidar camped for about two weeks in the neighbourhood ofOtmuchów (betweenOpole andKłodzko). Early in May 1241 they enteredMoravia, then continued via Brno, to joinBatu Khan's main army inHungary.[2] AlthoughBohemia remained unmolested, Moravia had much to endure. The destruction in Poland,Silesia and Moravia was all much of the same kind.
Baidar participated in the election ofGüyük Khan in 1246.
Alghu, d. 1265 or 1266