page_title: List of conflicts in Europe
section_title: 20th century
hierarchical_section_title: List of conflicts in Europe / 20th century
caption_attribution_description: Sniper at work sign, Crossmaglen, Northern Ireland
context_page_description: This is a list of conflicts in Europe ordered chronologically, including wars between European states, civil wars within European states, wars between a European state and a non-European state that took place within Europe, and global conflicts in which Europe was a theatre of war.
  There are various definitions of Europe and in particular, there is a significant dispute about the eastern and southeastern boundaries, specifically about how to define the countries of the former Soviet Union. This list is based on a wide definition that includes much of the interface between Europe and Western Asia.
context_section_description: 1903 Ilinden–Preobrazhenie Uprising
  1904–1908 Macedonian Struggle
  1904–1905 Russo-Japanese War
  1905 Łódź insurrection
  1905 Revolution of 1905
  1906–1908 Theriso revolt
  1907 1907 Romanian Peasants' Revolt
  1910 Albanian Revolt of 1910
  1910 5 October 1910 revolution
  1910 Portuguese Monarchist Civil War
  1911 Albanian Revolt of 1911
  1911–1912 Italo-Turkish War
  1912–1913 Balkan Wars
  1912–1913 First Balkan War
  1913 Second Balkan War
  1913 Tikveš Uprising
  1913 Ohrid–Debar Uprising
  1914 Peasant Revolt in Albania
  1914–1918 World War I - 19,174,335 deaths
  1916 Noemvriana
  1917 Toplica Uprising
  1918 Judenburg mutiny
  1918 Cattaro Mutiny
  1918 Aster Revolution
  1918 Radomir Rebellion
  1918 Finnish Civil War
  1916 Easter Rising
  1917 Russian Revolution
  1917 February Revolution
  1917 July Days
  1917 Polubotkivtsi uprising
  1917 Kornilov affair
  1917 October Revolution
  1917 Junker mutiny
  1917 Kerensky–Krasnov uprising
  1917–1921 Russian Civil War
  1917–1918 Soviet-Turkish War (1917–1918)
  1917–1921 Ukrainian War of Independence
  1917–1921 Ukrainian–Soviet War
  1918–1919 Polish–Ukrainian War
  1918–1924 Left-wing uprisings against the Bolsheviks
  1918 Left SR uprising
  1921 Kronstadt rebellion
  1918–1922 Heimosodat
  1918 Viena expedition
  1918 Aunus expedition
  1918–1920 Petsamo expeditions
  1918–1920 National revolt of Ingrian Finns
  1921–1922 East Karelian Uprising
  1918–1920 Estonian War of Independence
  1918–1925 Allied intervention in the Russian Civil War
  1918–1920 North Russia Intervention
  1918–1922 Siberian Intervention
  1918 Georgian–Armenian War
  1918–1920 Georgian–Ossetian conflict (1918–20)
  1918–1919 Georgian-Russian conflict over Sochi
  1918–1920 Armenian–Azerbaijani War
  1918–1920 Latvian War of Independence
  1918–1920 Lithuanian Wars of Independence
  1918–1919 Lithuanian–Soviet War
  1919 Lithuanian War of Independence (War against the Bermontians)
  1920 Polish–Lithuanian War
  1919–1921 Polish–Soviet War
  1921 Georgian–Russian War
  1924 Georgian Uprising against Soviet Union
  1919–1920 Revolutions and interventions in Hungary (1918–20)
  1918–1919 Hungarian–Romanian War
  1919 Sejny Uprising
  1919 Khotin Uprising
  1918 Georgian–Turkish War
  1918–1919 Austro-Slovene conflict in Carinthia
  1918–1958 Polish–Czechoslovak border conflicts
  1919 Polish-Czech war for Teschen Silesia
  1918–1919 German Revolution
  1918–1919 Greater Poland Uprising
  1919–1923 Turkish War of Independence
  1919–1922 Greco-Turkish War
  1918–1921 Franco-Turkish War
  1920 Turkish–Armenian War
  1919–1923 Royalist and separatist revolts
  1919 Christmas Uprising
  1919–1920 Italo-Yugoslav War
  1919–1920 Czechoslovakia–Hungary War
  1919–1921 Silesian Uprisings
  1919 First Silesian Uprising
  1920 Second Silesian Uprising
  1921 Third Silesian Uprising
  1919–1922 Irish War of Independence
  1920 Husino rebellion
  1920 Vlora War
  1920 Kapp Putsch
  1920 Ruhr Uprising
  1920 Slutsk Defence Action
  1920–1924 Biennio Rosso
  1921 Uprising in West Hungary
  1921 February Uprising
  1922–1923 Irish Civil War
  1923 Corfu incident
  1923 September Uprising
  1923 Klaipėda Revolt
  1923 Leonardopoulos–Gargalidis coup d'état attempt
  1924 1924 Estonian coup d'état attempt
  1924 August Uprising
  1925 Incident at Petrich
  1932 Mäntsälä rebellion
  1933 Casas Viejas incident
  1933 Anarchist uprising in Spain (1933)
  1934 Asturian miners' strike of 1934
  1934 Austrian Civil War
  1935 1935 Greek coup d'état attempt
  1936–1939 Spanish Civil War
  1938 1938 Greek coup d'état attempt
  1939 Hungarian Invasion of the Carpatho-Ukraine
  1939–1965 Spanish Maquis
  1939-1940 S-Plan
  1939–1945 World War II
  1939 Nazi German invasion of Poland
  1939 Soviet invasion of Poland
  1939–1940 Winter War (Soviet invasion of Finland)
  1940 Battle of the Netherlands
  1940 Battle of Belgium
  1940 Battle of France
  1940 Italian invasion of France
  1940 Soviet invasion of the Baltic States
  1940 Soviet occupation of Bessarabia and Northern Bukovina
  1940 Battle of Britain
  1940–1941 Greco-Italian War
  1941–1945 Soviet–German War
  1941–1944 Continuation War
  1942-1944 Northern Campaign
  1942–1956 Ukrainian Insurgent Army
  1943 Italian Campaign
  1944 Slovak National Uprising
  1944 Warsaw Uprising
  1945 Western Allied invasion
caption: A "Sniper at work" sign in Crossmaglen, a symbol of the IRA sniper campaign in South Armagh during the last stages of the Northern Ireland Troubles
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