December 7, 1966 fell on a Wednesday.
December 12 can fall on any day of the week.
December 17, 1966 was a Saturday.
December 21, 1966 was a Wednesday.
December 2, 1966 fell on a Friday.
December 15, 1966 fell on a Thursday.
December 20, 1966 fell on a Tuesday.
It was a Monday.
Monday.
Friday
It was a Monday.
December 11, 1966, was a Sunday.
Saturday