This is a list of wars involving the Czech Republic and its predecessor states.
Before 850 YearWarAlliesEnemiesLeadersEventsConclusion 626 War against Avars Samo's empire Avar Khaganate Samo Samo's rebellion Victory 631 War between Samo's empire and Frank Empire Samo's empire Francia Samo Battle of WogastisburgVictory 632–634 Raids on Thuringia Samo's empire Francia SamoVictory 79?–795 Francian Campaigns against Avars CzechsFrancia Avar Khaganate Victory 805 Great Turkestan War Czechs Francia Lech Siege of Canburg Victory 833 Conquest of Nitrian Principality Principality of Moravia Principality of Nitra Mojmir IVictory 848–849 Louis the German's campaign against Bohemia Bohemia East Francia 14 princes Victory
850–1526 YearWarAlliesEnemiesLeadersEventsConclusion 864–874 Great Moravia war against East Francia Great MoraviaBohemia East Francia Svatopluk IBohemian princes Victory 936–950 Duchy of Bohemia Holy Roman Empire Boleslaus I Siege of castle Nova Defeat 955 Battle of Lechfeld Kingdom of GermanyDuchy of Bohemia Principality of Hungary Otto IBoleslaus I Victory 967 Polish–Veletian War Duchy of PolandDuchy of Bohemia VeletiWolinians Battle between Mieszko I and Wichmann Victory 975–978 War against Otto II Duchy of Bohemia Holy Roman Empire Boleslaus II Victory 988–990 Polish-Bohemian War Duchy of Bohemia Duchy of PolandHoly Roman Empire Boleslaus II Defeat 995 War against Slavník dynasty Duchy of Bohemia Zlicans Boleslaus II Victory 1002–1005 Polish-German War Duchy of BohemiaHoly Roman Empire Duchy of Poland Henry IIJaromír Victory 1015–1018 Polish-German War Duchy of BohemiaHoly Roman Empire Duchy of Poland Henry IIOldřich Defeat1029–1031Polish-German WarDuchy of Bohemia (since 1029) Holy Roman Empire OthersKingdom of Poland Kingdom of HungaryConrad IIBretislaus IVictory 1030–1031 Campaign into Hungary Duchy of Bohemia Kingdom of Hungary Bretislaus I Bretislaus I led the Bohemian army and devastated the land until Esztergom and marched until River Garam. He was forced to retreat however 1035 Campaign against Lutici Duchy of Bohemia Lusatia Bretislaus I Victory 1040–1041 War against Henry III. Duchy of Bohemia Holy Roman Empire Bretislaus I Battle at BrůdekSiege of Prague (1041) Defeat 1042–1044 German-Hungarian War Duchy of BohemiaHoly Roman Empire Kingdom of Hungary Henry IIIBretislaus I Victory 1051 Emperor Henry III.'s military campaigns against Hungary Duchy of BohemiaHoly Roman Empire Kingdom of Hungary Henry IIIBretislaus I Defeat 1063 Siege of Hradec nad Moravicí Duchy of Bohemia Kingdom of Poland Vratislaus II Victory 1073–1075 Saxon revolt Duchy of BohemiaHoly Roman Empire Duchy of Saxony Henry IVVratislaus II Battle of Langensalza (1075) Victory 1077–1088 Great Saxon Revolt Duchy of BohemiaHoly Roman Empire Rudolf of Rheinfelden Henry IVVratislaus II Battle of FlarchheimBattle on the Elster Victory 1126 War of succession to the Duchy of Bohemia Holy Roman Empire Duchy of Bohemia Soběslav I Victory 1132-1135 Soběslaus I raids into Silesia Duchy of Bohemia Kingdom of Poland Soběslaus I Victory 1145–1149 Second Crusade Duchy of BohemiaCrusaders Saracens Vladislaus II Defeat 1158 Milan Campaign Duchy of BohemiaHoly Roman Empire Milan Frederick BarbarossaVladislaus II Victory 1189–1192 Third Crusade Duchy of BohemiaCrusaders MuslimsByzantine Empire Frederick BarbarossaFrederick VIDěpolt II German–Byzantine warBattle of Philomelion (1190)Battle of Iconium (1190)Siege of Acre (1189–1191) Military victory 1241 Mongol invasion of Moravia Kingdom of Bohemia Mongol Empire Mongols retreated 1254–1255 Prussian Crusade Kingdom of BohemiaTeutonic Knights Grand Duchy of Lithuania Ottokar II Victory 1257 Bohemia–Bavarian War Kingdom of Bohemia Bavaria Ottokar II Defeat 1260 War of Styria Kingdom of BohemiaDuchy of Austria Kingdom of Hungary Ottokar II Victory 1267–1268 Prussian Crusade Kingdom of BohemiaTeutonic Knights Grand Duchy of Lithuania Ottokar II Retreat 1270–1271 Hungarian Campaign Kingdom of Bohemia Kingdom of Hungary Ottokar II Victory 1273 Bohemian–Hungarian War Kingdom of Bohemia Kingdom of Hungary Ottokar II Victory 1278 War against Rudolf von Habsburg Kingdom of Bohemia Margraviate of Moravia Duchy of Głogów Duchy of Lower Bavaria Duchy of Silesia Duchy of Austria Kingdom of Hungary Kingdom of Germany Burgraviate of Nuremberg Ottokar II Defeat 1291-1292 Wenceslaus II.'s Polish Campaign Kingdom of Bohemia Duchy of Sandomierz Wenceslaus II Victory 1298 Fight for the rule over the Holy Roman Empire Kingdom of BohemiaDuchy of Austria County of NassauElectoral Palatinate Victory 1304 Anti-Bohemian Coalition Kingdom of Bohemia Holy Roman EmpireCharles I of Hungary Wenceslaus II Victory 1315 War against Matthew III Csák Kingdom of Bohemia Máté Csák's domain John of Bohemia Victory 1314–1322 Double reign of Holy Roman Empire Kingdom of BohemiaLouis IV. Frederick the Fair John of Bohemia Battle of Mühldorf Victory1326–1332Polish–Teutonic WarKingdom of Bohemia Teutonic Order OthersKingdom of Poland Grand Duchy of Lithuania Kingdom of Hungary John of Bohemia Treaty of Kalisz (1343) 1331–1332 War against Louis IV. Kingdom of Bohemia Holy Roman Empire John of Bohemia Defeat 1345–1348 Polish-Bohemian War Kingdom of Bohemia Kingdom of Poland (Piast) John of Bohemia Treaty of Namysłów 1346 Hundred Years' War Kingdom of BohemiaFrance England John of Bohemia Defeat 1419–1434 Hussite Wars Radical Hussites Papal StatesHoly Roman EmpireUtraquist hussites Defeat of radicals 1437-1442 Hungarian–Ottoman War Kingdom of HungaryTaborites Ottoman Empire Sigismund of LuxembourgJohn Jiskra of Brandýs Siege of Szendrő Victory 1438-1439 War of Bohemian succession Kingdom of BohemiaElectorate of SaxonyHoly Roman Empire Kingdom of PolandHussites Battle of Sellnitz Defeat of Pro-Jagiellon side 1443–1444 Crusade of Varna Kingdom of BohemiaKingdom of PolandKingdom of Hungary Ottoman Empire Władysław IIIJan Čapek of Sány Defeat 1468–1478 Bohemian War Kingdom of Bohemia Kingdom of Hungary George of Poděbrady Battle of Vilémov Treaty of Brno
1526–1918
YearWarAlliesEnemiesConclusion 1530–1552 Little War in Hungary Kingdom of BohemiaHoly Roman Empire Ottoman Empire Indecisive 1546–1547 Schmalkaldic War Kingdom of BohemiaHoly Roman EmpireSpain Schmalkaldic League Victory 1611 Invasion of Passau Army Kingdom of Bohemia Roman Catholic Diocese of Passau Victory 1618–1620 Bohemian Revolt Bohemia Holy Roman Empire Defeat 1620–1648 Thirty Years' War BohemiaHoly Roman EmpireSpanish Empire Protestant states Peace of Westphalia 1680 Peasant Uprising Czech Peasants Austrian Empire Defeat 1775 Peasant Uprising Czech Peasants Austrian Empire Defeat 1848 Pentecostal Storm Czechs Austrian Empire Defeat1914–1918World War IKingdom of Bohemia (as part of Austria-Hungary)Margraviate of Moravia (as part of Austria-Hungary)Central PowersAllied Powers Defeat 1914–1918 World War I Czechoslovak LegionsTriple Entente Central Powers Victory 1917–1922 Russian Civil War Czechoslovak LegionsWhite Movement Russian Soviet Federative Socialist Republic Legions did get in Vladivostok, White army defeated
Since 1918 YearWarAlliesEnemiesLossesConclusion 1919 Polish–Czechoslovak War Czechoslovakia Poland 44-53 killed Victory 1918–1920 Revolutions and interventions in Hungary CzechoslovakiaRomania Hungary 2824 killed or missing Victory 1938 Sudeten German uprising Czechoslovakia German Insurgents 100 killed Partially suppressed 1939 Axis invasion of Czechoslovakia Czechoslovakia Nazi Germany 1 killed Defeat 1939 Hungarian Invasion of Carpatho-Ukraine Czechoslovakia Kingdom of HungaryUkrainian nationalists 40 killed Defeat 1939–1945 World War II Czechoslovak government-in-exileAllies Axis powers 325,000 killed Victory 1945 Racibórz Conflict Czechoslovakia Poland None Agreement 1945–1947 Operation B CzechoslovakiaPolandSoviet Union Ukrainian Insurgent Army49 killed Victory 1948–1949 Israeli War of Independence Israelsupported by Czechoslovakia Arab states None Victory 1952–1953 Korean War Communist states including Czechoslovakia South KoreaUnited Nations None Military stalemate;Ceasefire reached through Korean Armistice Agreement 1953 Merklín incident Czechoslovakia United States None Victory 1953 Uprising in Plzeň Czechoslovakia Plzeň workers None Uprising crushed 1955–1975 Vietnam War Communist states including Czechoslovakia South VietnamUnited States None Victory 1968 Warsaw Pact invasion of Czechoslovakia Czechoslovakia Warsaw Pact 137 killed Defeat 1970s–1980s Angolan Civil War MPLA supported by:Czechoslovakia and others UNITA 1 killed Victory 1990–1991 Gulf War CzechoslovakiaUnited States and other Iraq 1 killed Victory 1999 Kosovo War NATO including the Czech Republic Federal Republic of Yugoslavia None Victory 2002–2021War in Afghanistan Czech RepublicUnited StatesUnited Kingdom and others Insurgents 14 killed Defeat 2003–2009 Iraq War Czech RepublicUnited StatesUnited Kingdom and others Insurgents 1 killed Victory 2004 Unrest in Kosovo Czech RepublicKosovo Force Kosovo Albanians None Unrest suppressedPeace reached through mutual agreement 2011 First Libyan Civil War Anti-Gaddafi movementNATO supported by the Czech Republic Libya None Victory 2013–2022 Mali War Czech RepublicMaliFranceECOWAS National Movement for the Liberation of AzawadAl-QaedaIslamic State None Czech soldiers withdraw from MaliThe war continues
References