What day of the week was December 12, 1977?

The day of the week December 12th, 1977 fell on was a Monday.

There were 13 days until Christmas. Last day of Hanukkah for Jewish people. Muharram/Islamic New Year for Muslim people.

Clementine Churchill the Baroness Spencer-Churchill, English wife of Winston Churchill (b. 1885) died on this day in 1977.