ARTFEED — Contemporary Art Intelligence

Polish-Soviet War: Conflict That Shaped Eastern Europe's Borders

other · 2026-07-13

From 1919 to 1921, the Polish-Soviet War emerged as a significant confrontation between Poland and the Soviet Union, focusing on territorial disputes in Belarus and Ukraine. Following World War I, Poland, under Józef Piłsudski, sought to re-establish the Polish-Lithuanian Commonwealth, while Vladimir Lenin's Bolsheviks aimed to expand communist influence. The conflict intensified in February 1919 with Soviet incursions. By May 1920, Polish forces had reached Kyiv, but a successful Soviet counteroffensive followed, capturing key cities like Minsk and Vilnius. The turning point came during the August 1920 Battle of Warsaw. The war concluded with the Treaty of Riga on March 18, 1921.

Key facts

  • The Polish-Soviet War lasted from 1919 to 1921.
  • Poland was led by Józef Piłsudski; the Soviet Union by Vladimir Lenin.
  • The war was fought over control of Belarus and Ukraine.
  • The Battle of Warsaw in August 1920 was the decisive engagement.
  • General Maxime Weygand led a Franco-British mission advising Polish forces.
  • The Treaty of Riga was signed on March 18, 1921.
  • Poland annexed Vilnius in 1922, leading to a frozen conflict with Lithuania.
  • Over 40,000 Polish troops died in the war.

Entities

Institutions

  • Polish Army
  • Red Army
  • Soviet Union
  • League of Nations
  • Supreme Allied Council
  • Ukrainian People's Army
  • Franco-British mission

Locations

  • Poland
  • Soviet Union
  • Belarus
  • Ukraine
  • Warsaw
  • Moscow
  • Kyiv
  • Minsk
  • Vilnius
  • Hrodna
  • Kamyanets-Podilsky
  • Wieprz
  • Vistula River
  • Dvina River
  • Pripet Marshes
  • Eastern Prussia
  • Lithuania
  • Belgium
  • Riga

Sources