APPENDIX
The following is a chronological statement of the most important events in the life of Barbarossa:
| 1123 | Birth. |
| 1147 | Married Adelaide; succeeded his father as Duke of Swabia; accompanied the second Crusade. |
| 1152 | Received the Crown of Germany. |
| 1153 | Divorced Adelaide. |
| 1154 | First Italian Campaign. |
| 1155 | Crowned Emperor of the Holy Roman Empire. |
| 1156 | Restored the Duchy of Bavaria to Henry the Lion; married Beatrice, daughter of the Count of Burgundy. |
| 1157 | Secured allegiance of Poland and Hungary. |
| 1158 | Second Italian Campaign. |
| 1160 | Excommunicated by Pope Alexander III. |
| 1164-1174 | Italian Campaigns. |
| 1176 | Defeated at Legnano. |
| 1177 | Made truce for six years with the Italian cities. |
| 1183 | Treaty of Constance. |
| 1183 | Led the third Crusade with Richard the Lion-Hearted of England and Philip Augustus of France. |
| 1190 | Death in Asia Minor by drowning. |