What happened on December 21?
Here are historical events and notable moments that happened on December 21.
Historical records for December 21 are still being compiled.
People born on December 21
See famous people and notable birthdays that fall on this date.
View birthdays on December 21 →People born on December 21
See famous people and notable birthdays that fall on this date.
View birthdays on December 21 →You can also explore nearby birthday pages like December 20 and December 22.