AI overview
I don't have sufficient context to provide an accurate overview. You've indicated the context is "year," but 1090 could refer to many different historical events or topics from that year. Could you clarify what aspect of 1090 you'd like me to explain?
AI-generated from the Wikipedia summary — may contain errors.
Article
Hassan-i Sabbah (c. 1050–1124) Year 1090 (MXC) was a common year starting on Tuesday of the Julian calendar.
Events