Birth of Otto IV, son of Henry the Lion, Duke of Bavaria & Saxony
Historical person
Otto IV Biography
Historical biography and chronological timeline for Otto IV, based on 18 World History Database records associated with Germany.
Chronological biography
1174
1198
Otto is supported by the Guelfs against Philip, Duke of Swabia, as Emperor
Succeeds as Holy Roman Empero
1208
Otto invades Italy
Otto meets the Pope but refuses to yield territories captured since 1197
Otto invades Italy
Has Philp of Swabia assassinated, marks end of civil war
Death of Philp of Swabia, assassinated by Otto IV, ends the civil war
Elected to succeed Philip of Swabia
1209
Crowned Holy Roman Emperor
1210
Captures Southern Italy
Captures Southern Italy
Excommunicated by Pope Innocent III
1214
Otto IV invades France in support of King John
Otto IV marches into Flanders but is defeated by the French. Ensures the succession of Frederick II as Emperor. Confirms Philip II as ruler of northern France
1215
Forced by Innocent III to retire to his estates in Brunswick
1218
Death of Otto IV, leaves Frederick the undisputed leader of the Germans
1309
Succeeds as Duke of Lower Bavaria
Titles and roles
Duke · Emperor
Record provenance
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.