The Mongol invasion of Hungary followed the death of Genghis Khan in 1227. His successor, Oa Kho Dai, led the Mongols into Russia in 1235, followed by Eastern Europe in 1240. Hot rod everything will kill you so choose something fun poster. Many Mongolian generals carrying at least 130,000 troops and 500,000 horses invaded Hungary in the spring of 1241, according to research published May 26 in the journal Scientific Reports. The Mongols won consecutive major battles in April of that year, defeating both the Polish and Hungarian armies, and establishing a ruling system in eastern Hungary.
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In the first months of 1242, the Danube and other rivers in the area froze, allowing the Mongols to descend west of Hungary, where the armies fought for several months before suddenly retreating. Ulf Büntgen, climate researcher at WSL Swiss Federal Research Institute, co-author of study, examines tree crown data in northern Scandinavia, polar Ural mountains, Carpat in Romania, Alp in Austria and Altai in Russia to explore the climatic factors that led to the withdrawal of the Mongols.