Historical Events Sep 14 Minamoto no Yoritomo led force of 300 defeated at Battle of Ishibashiyama in Japan Sep 18 Philip Augustus becomes king of France Sep 24 Manuel I Komnenos, last Emperor of the Komnenian restoration dies. The Byzantine Empire slips into terminal decline. Events in 1180 Famous Deaths Sep 18 Louis VII, King of France (1137-1180), dies at 59 or 60 Sep 19 Louis VII, the Younger, King of France (1137-80), dies at 59 Sep 24 Manuel I Komnenos, Emperor of the Byzantine Empire (1143-80), dies at 61 1179 History by Year 1181 Famous People by Country American British Canadian French German Russian