List of military conflicts involving Hungary (1901–2000)

This is a list of military conflicts in which Hungarian armed forces participated in or took place on the historical territory of Hungary from 1901 to 2000.

By timeline:

• List of military conflicts involving Hungary (800–1300)
• List of military conflicts involving Hungary (1301–1526)
• List of military conflicts involving Hungary (1527–1700)
• List of military conflicts involving Hungary (1701–1900)
• List of military conflicts involving Hungary (1901–2000)
• List of military conflicts involving Hungary (2001–)

For major wars, see:

• List of wars involving Hungary

The list includes the name, date, Hungarian allies and enemies, and the result of each conflict, using the following legend:

  Victory

  Defeat

  Result of civil or internal conflict

  Treaty or peace without a clear result, status quo ante bellum, an unknown or indecisive result

  Ongoing conflict

Wars in the 20th century

Conflict		Belligerents		Result
Date	Name	Allies	Enemies	Outcome
28 July 1914 – 11 November 1918	World War I Austro-Hungarian mountain corps in Tyrol	Central Powers Austria-Hungary German Empire Ottoman Empire Bulgaria	Allied Powers [1] France British Empire Russian Empire (1914–17) Kingdom of Serbia Kingdom of Montenegro Belgium Japan Italy (from 1915) Portugal (from 1916) Romania (from 1916)   Greece (from 1917) Siam (from 1917) Co-belligerents Hejaz (from 1916) United States (from 1917) Brazil (from 1917)	Defeat Collapse of the Austro-Hungarian Empire and creation of the First Hungarian Republic Beginning of Revolutions and interventions in Hungary (1918–1920) Treaty of Trianon Loss of two-thirds of pre-war Hungarian territory
December 1918 – June 1919	Hungarian–Czechoslovak War Hungarian Red Army in Kassa, 1919.	First Hungarian Republic Hungarian Soviet Republic Slovak Soviet Republic	Czechoslovakia	Military Victory Political Defeat Hungarian advance into Czechoslovakia, then withdraw after negotiations Creation and dissolution of the Slovak Soviet Republic
13 November 1918 – 3 August 1919	Hungarian–Romanian War Romanian cavalry march through Budapest, 1919.	Hungarian Soviet Republic	Romania	Defeat Collapse of the Hungarian Soviet Republic Romanian occupation of Hungary proceeds
6 May 1919	Bruck an der Leitha raid	Hungarian Soviet Republic German-Austria	Antibolsevista Comité	ABC raid defeated
2-6 June 1919	Hungarian invasion of Prekmurje	Hungarian Soviet Republic	Republic of Prekmurje	Victory Soviet rule restored in Prekmurje
24 June 1919	Ludovika Uprising	Hungarian Soviet Republic	White Hungarians	Rebellion crushed
3 August – 13 October 1921	Uprising in West Hungary Hungarian Freecorps in Burgenland, 1921.	Austria Hungary (disarmament of the rebels in 1921)	Rongyos Gárda Lajtabánság Bosnian and Albanian Muslim volunteers	Victory Referendum called Sopron and its area remained in Hungary
20 - 23 October 1921	Charles IV's second attempt Charles IV and Queen Zita in Sopron during the March on Budapest.	Hungary	Habsburg Royalists	Charles' restoration fails Habsburgs dethroned
15 – 18 March 1939	Hungarian invasion of Carpatho-Ukraine Hungarian gendarme stands in front of a LT-35 tank destroyed near Fanchykovo.	Hungary	Carpatho-Ukraine	Victory Occupation and annexation of Carpatho-Ukraine
23 – 31 March 1939	Slovak-Hungarian War Hungarian and Slovak servicemen – gendarmes, soldiers, Hlinka Guard, 1939.	Hungary	Slovakia	Victory Annexation of a border strip between eastern Slovakia and Carpathian Ruthenia
1 September 1939 – 2 September 1945 Hungary entered: 27 June 1941 Hungary exited: 11 May 1945	World War II Hungarian Arrow Cross militia and a German Tiger II tank in Budapest, October 1944 Hungarian Toldi I tank used during the 1941 invasion of the Soviet Union	Axis Powers Germany Italy (1940–43) Empire of Japan Affiliate states Romania (1941–44) Hungary (from 1941) Bulgaria (1941–44) Thailand (1942–45) Client States   Slovakia   Croatia Government of National Salvation Manchukuo Mengjiang Albania Co-belligerents Finland (1941–44)   Iraq (1941) Vichy France (1940–44) Active neutrality Soviet Union (1939–41)   Spain (1941–44)   Argentina (1939–44	Allied Powers Soviet Union (from June 1941) United States (from December 1941) United Kingdom China France (1939–40, 1944–45) In exile for part of the war Poland Norway Netherlands Belgium Free France (1940–44) Luxembourg Greece Czechoslovakia Other important belligerents Canada   India Australia New Zealand   South Africa Yugoslavia   Ethiopia Brazil Mexico Colombia Cuba Philippines Mongolia Co-belligerents   Italy (1943–1945)   Romania (1944–1945) Finland (1944–1945) Bulgaria (1944–1945)	Defeat Soviet occupation of Hungary Paris Peace Treaties, 1947 First Vienna Award annulled (Czechoslovakia re-gained some of the territories lost to Hungary in 1938) Second Vienna Award annulled (Romania re-gained of Northern Transylvania, lost to Hungary in 1940) Hungarian withdrawal and loss of annexed territories to Yugoslavia Soviet annexation of Carpathian Ruthenia (fully became part of again Hungary in 1939) Sovietization of Hungary; installation of a communist puppet regime
23 October – 10 November 1956	Hungarian Revolution of 1956 The flag, with a hole where the communist coat of arms had been cut out, became the symbol of the revolution.	Hungarian revolutionaries	Soviet Union People's Republic of Hungary	Defeat Revolution crushed by Soviet troops Re-imposition of Soviet-backed puppet regime until 1989 Soviet military presence in Hungary until 1991
20 – 21 August 1968	Warsaw Pact invasion of Czechoslovakia Soviet tanks with invasion stripes in Czechoslovakia, 1968	Warsaw Pact Soviet Union Bulgaria Poland Hungary supported by   East Germany	Czechoslovakia	Victory Prague Spring crushed Moscow Protocol Soviet military presence in Czechoslovakia until 1991

References

1. "Allied powers - World War I". Britannica.