Polish–Ukrainian War
| Polish–Ukrainian War | |||||||||
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| Part of the Ukrainian War of Independence and the aftermath of World War I | |||||||||
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| Belligerents | |||||||||
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Regional support:
Strategic support: France |
Czechoslovakia | ||||||||
| Commanders and leaders | |||||||||
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| Strength | |||||||||
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| Casualties and losses | |||||||||
| 10,000 | 15,000 | ||||||||
The Polish–Ukrainian War, from November 1918 to July 1919, was a conflict between the Second Polish Republic and Ukrainian forces (both the West Ukrainian People's Republic and the Ukrainian People's Republic).
The conflict had its roots in ethnic, cultural, and political differences between the Polish and Ukrainian populations living in the region, as Poland and both Ukrainian republics emerged from the collapse of the Russian and Austrian empires.
The war started in Eastern Galicia after the dissolution of the Austro-Hungarian Empire and spilled over into the Chełm and Volhynia regions formerly belonging to the Russian Empire.
Poland won the disputed territory on 18 July 1919.