Katyn massacre
1940 · Event
Soviet NKVD executed around 22,000 Polish officers, intelligentsia and police.
On these timelines: Russia & the USSR, Master, Eastern Europe & the Balkans, World War II
More from Russia & the USSR
- Founding of the Soviet Union (1922)
- Peter the Great (1672)
- Stalin's rule of the Soviet Union (1924)
- Joseph Stalin (1878)
- Vladimir Lenin (1870)
- Lenin's leadership of Soviet Russia (1917)
- Catherine the Great (1729)
- Christianisation of Kievan Rus' (988)
Around 1940
- Berlin Airlift (1948)
- Battle of Stalingrad (1942)
- Apartheid (1948)
- Indian independence and Partition (1947)
- Manhattan Project (1942)
- Korean War (1950)
- Battle of Britain (1940)
- Spanish Civil War (1936)
- Hitler becomes Chancellor of Germany (1933)
- Chinese Civil War (resumed) (1945)