The Soviet invasion of Poland was a military conflict by the Soviet Union without a formal declaration of war. On 17 September 1939, the Soviet Union invaded Poland from the east, 16 days after Nazi G
Soviet parade in Lwów, September 1939, following the city's surrender
Hitler watching German soldiers marching into Poland in September 1939
Advancing Red Army troops, Soviet invasion of Poland, 1939
Instructions of Józef Beck, Polish minister of foreign affairs for Wacław Grzybowski, Polish ambassador to the Soviet Union concerning the Soviet invasion of Poland, 17 September 1939
The Polish–Soviet War was fought primarily between the Second Polish Republic and the Russian Soviet Federative Socialist Republic, following World War I and the Russian Revolution.
Top left: Polish FT-17 tanks of the 1st Tank Regiment during the Battle of Dyneburg, January 1920 Top right: Polish Schwarzlose M.07/12 machine gun nest during the Battle of Radzymin, August 1920 Lower top left: Polish troops enter Kiev, May 1920 Middle: Polish defences with a M1895/14 machine gun position near Miłosna, during the Battle of Warsaw, August 1920 Bottom left: Russian prisoners following the Battle of Warsaw Bottom right: Polish defences in Belarus during the
General Józef Haller swearing for the Polish flag when he was nominated to command the Blue Army