December 23 is the 357th day of the year.
Events[]
- 1971, Thursday: The first Dirty Harry film which introduces Clint Eastwood's character Harry Callahan (Basis for an alias of Marty McFly in 1931), premiered in theaters.
Behind the scenes[]
- 2020, Wednesday: The second issue of IDW's The Transformers/Back to the Future, crossover miniseries is released.