History
1156
General
Population: 356 Million*
- Death: Irish ruler Toirdhealbhach Ua Conchobhair
Asia
- Japan: War of Japanese clans Taira (samurai) and Minamoto (Civil War) to 1185 - end of Heian period
Hogen and Heiji insurrections
Europe
- Austria: Austria made a duchy with special privileges
- Holy Roman Empire: Frederick Barbarossa marries Beatrice, heiress of Upper Burgundy
- Ireland: End of Irish ruler Toirdhealbhach Ua Conchobhair who tried to conquer territories
Middle East
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