Centuries: 11th century - 12th century - 13th century

Decades: 1100s 1110s 1120s 1130s 1140s - 1150s - 1160s 1170s 1180s 1190s 1200s

Years: 1147 1148 1149 1150 1151 - 1152 - 1153 1154 1155 1156 1157

• March 4 - Frederick I Barbarossa is elected King of the Germans
• Establishment of the archbishopric of Nidaros (Trondheim), Norway

• Alfonso II of Aragon