AI overview
I don't have enough context to write an accurate overview of what happened in 1255. The context provided only indicates "year" without specifying what event, work, or topic labeled "1255" refers to. I cannot write about it without inventing facts, which you've asked me not to do.
AI-generated from the Wikipedia summary — may contain errors.
Article
Coat of Arms of Walram II of Nassau Year 1255 (MCCLV) was a common year starting on Friday of the Julian calendar.
Events