War 1918–1919 Hungarian–Czechoslovak War 1919 Sejny Uprising 1919 Khotyn Uprising 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 1919–1922 Greco-Turkish War 1918–1921 Franco-Turkish War 1920 Armenian-Turkish War 1919 Christmas Uprising 1919–1920 Unrest in Split 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 1921 Charles IV of Hungary's attempts to retake the throne 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 German occupation of Czechoslovakia 1939 Hungarian invasion of Carpatho-Ukraine 1939 Italian invasion of Albania 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 Phoney War 1940 Operation Weserübung 1940 Norwegian campaign 1940 Invasion of Luxembourg 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 1941–1945 Yugoslav anti-fascist resistance movement 1941–1944 Continuation War 1941 Uprising in Montenegro 1942 Case Blue 1942-1944 Northern Campaign 1942–1956 Ukrainian Insurgent Army 1943 Italian Campaign 1944 Operation Market Garden 1944 Warsaw Uprising 1944 Western Allied invasion of Germany 1944-1945 Lapland War 1944-1945 Slovak National Uprising 1944-1945 Liberation of France 1944-1945 Battle of the Bulge 1945 Second Battle of the Alps 1945 Battle of Berlin 1944–1956 Guerrilla war in the Baltic states 1945–1949 Greek Civil War 1946–1948 Corfu Channel incident 1947–1962 Romanian anti-communist resistance movement 1953 Uprising in East Germany 1955-1959 Cyprus Emergency 1956 Uprising in Poznań 1956 Hungarian Revolution 1956–1962 Operation Harvest 1958 First Cod War 1959–2011 Basque conflict 1967 Greek coup d'état 1968 Warsaw Pact invasion of Czechoslovakia 1968–1998 The Troubles 1970–1984 Unrest in Italy 1972–1973 Second