AI overview
I don't have enough context to write an accurate overview. The context provided only identifies "December 13" as a day of the year, without specifying what event, topic, or subject matter makes it noteworthy. Could you provide more details about what "December 13" refers to?
AI-generated from the Wikipedia summary — may contain errors.
Article
December 13 is the 347th day of the year (348th in leap years) in the Gregorian calendar; 18 days remain until the end of the year.
Events