German civil war may refer to any violent conflict between factions within or against the authority of a German state:
Saxon revolt of 1073–1075, coalition led by Otto of Northeim against the Holy Roman Empire Saxon revolt of 1077–1088, coalition led by anti-king Rudolf of Rheinfeld against the Holy Roman Empire War of Bohemian Succession (1125–1126), Duchy of Bohemia against the Holy Roman Empire Great Interregnum (1250–1275), Hohenstaufen-led coalition against Welf-led coalition Bundschuh movement (1493–1517), localized peasant rebellions against the Kingdom of Germany Swabian War (1499), Old Swiss Confederacy against the Holy Roman Empire Knights' War (1522), Franz von Sickingen-led coalition against the Holy Roman Empire German Peasants' War (1524–1525), widespread peasant rebellions against the Swabian League Schmalkaldic War (1546–1547), Schmalkaldic League against the Holy Roman Empire Princes' Revolt (1552), Maurice of Saxony-led coalition against the Holy Roman Empire War of the Jülich Succession (1609–1614), Protestant coalition against the United Duchies of Jülich-Cleves-Berg Thirty Years' War (1618–1635), anti-Habsburg alliance against pro-Habsburg alliance Upper Austrian peasant war of 1626, Upper Austrian rebels against the Electorate of Bavaria German revolutions of 1848–1849 (March Revolution), German Empire against the German Confederation Austro-Prussian War (German War of Brothers, 1866), Kingdom of Prussia and allies against the Austrian Empire and German Confederation German revolution of 1918–1919 (November Revolution, 1918–1919), revolutionaries and Soviet Republics against German Empire, later Weimar Republic