oct 1, 1920 - Roman von Ungern-Sternberg enters Monglia

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Ungern's troops crossed the northern border of Outer Mongolia on October 1, 1920 and moved south-westwards, towards the Mongol capital, Urga. He was supported by Mongols who sought independence from Chinese occupation, especially the Bogd Khan, who secretly sent Ungern his blessing for expelling Chinese from Mongolia.

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