1121-1212 By Fiona Chen Feb 6, 1145 Pope Eugene III issues the bull Quantum praedecssores, calling for the Second Crusade Feb 6, 1155 Frederick I Barbarossa is crowned Holy Roman Emperor Feb 6, 1163 The Almohads finish driving the Normans out of North Africa Feb 6, 1177 Pope Alexander III sends a letter to Prester John, believing he is real Feb 6, 1183 Saladin conquers Syria and becomes sultan. Feb 6, 1193 Pope Celestine III calls for a crusade against pagans in Northern Europe