Frederick I Barbarossa elected German kingMar 4, 1152Labels: Frederick I, FrankfurtBritannicaWikipedia
Second Diet of Roncaglia asserts imperial regalian rightsNov 11, 1158Labels: Diet of, PiacenzaWikipediaWikipedia
Henry VI chosen and crowned King of the RomansAug 15, 1169Labels: Henry VI, AachenBritannicaWikipedia
Battle of Legnano defeats Frederick in LombardyMay 29, 1176Labels: Battle of, Lombard LeagueBritannicaWikipedia
Peace of Venice recognizes Pope Alexander IIIJul 1, 1177Labels: Peace of, Pope AlexanderBritannicaBritannica
Peace of Constance grants Lombard communal privilegesJun 25, 1183Labels: Peace of, Lombard citiesWikipediaBritannica
Frederick I drowns during the Third CrusadeJun 10, 1190Labels: Frederick I, Saleph RiverBritannicaWikipedia