AI overview
I don't have enough context to write an accurate overview. "1156" could refer to a historical year, an event, a document, or something else entirely, but you've only provided "year" as context. Could you provide more specific information about what "1156" refers to?
AI-generated from the Wikipedia summary — may contain errors.
Article
Emperor Frederick I marries Beatrice I Year 1156 (MCLVI) was a leap year starting on Sunday of the Julian calendar.
Events