List of 1186 Major News Events in History, Most Important Historical Events in 1186
| Date | Event |
|---|---|
| January 27, 1186 | Henry VI, the son and heir of the Holy Roman Emperor Frederick I, marries Constance of Sicily. |
| August 17, 1186 | Georgenberg Pact: Ottokar IV, Duke of Styria and Leopold V, Duke of Austria sign a heritage agreement in which Ottokar gives his duchy to Leopold and to his son Frederick under the stipulation that Austria and Styria would henceforth remain undivided. |