events

Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat.

Historical image related to Polish–Soviet War: Battle of Warsaw, which began on August 13, ends with the Red Army's defeat. from August 25, 1920

Polish–Soviet War

20th-century conflict between Poland and Russia

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.
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Battle of Warsaw (1920)

Battle of the Polish–Soviet War

The Battle of Warsaw, also known as the Miracle on the Vistula, was a series of battles that resulted in a decisive Polish victory and complete disintegration of the Red Army in August 1920 during the Polish–Soviet War.
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August 13

Day of the year

August 13 is the 225th day of the year in the Gregorian calendar; 140 days remain until the end of the year.
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Red Army

Soviet army and air force from 1918 to 1946

The Workers' and Peasants' Red Army, often shortened to the Red Army, was the army and air force of the Russian Soviet Republic and, from 1922, the Soviet Union. The army was established in January 1918 by a decree of the Council of People's Commissars to oppose the military…
Source: Wikipedia (CC BY-SA)