AI overview
I don't have enough context to write an accurate overview of "1209." While you've indicated this relates to a year, I would need additional information about what specifically happened in 1209 or why it's historically significant to provide a factual, neutral explanation suitable for a general reader.
AI-generated from the Wikipedia summary — may contain errors.
Article
The Crusaders expel the Cathars from Carcassonne (miniature from Grandes Chroniques de France, c. 1415). Year 1209 (MCCIX) was a common year starting on Thursday of the Julian calendar. It was the 1209th year of the Common Era (CE) and Anno Domini (AD) designations, the 209th year of the 2nd millennium, the 9th year of the 13th century, and the 10th and last year of the 1200s decade.
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