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1156 (MCLVI) was a leap year starting on Sunday of the Julian calendar, the 1156th year of the Common Era (CE) and Anno Domini (AD) designations, the 156th year of the 2nd millennium, the 56th year of the 12th century, and the 7th year of the 1150s decade. As of the start of 1156, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.
Events
- Establishment of the Carmelite Order
- Hogen Rebellion in Japan
- January 20 – According to legend, freeholder Lalli slays English crusader Bishop Henry with an axe on the ice of the lake Köyliönjärvi in Finland.
- The Privilegium Minus elevates Austria to the status of a duchy ruled by the Babenburgs family. (see History of Austria).
- Mosan artists create the Stavelot Triptych, a masterpiece of goldsmithing, as a reliquary to house purported pieces of the True Cross.