What day of the week was December 4, 1945?

The day of the week December 4th, 1945 fell on was a Tuesday.

There were 21 days until Christmas.

Thomas Hunt Morgan the American geneticist and biologist, Nobel Prize laureate (b. 1866) died on this day in 1945.

By a vote of 65 to 7 the the United States Senate approves United States participation in the United Nations. (The UN had been established on October 24, 1945.)