1967 began on a Sunday, and wasn't a leap year, so December 1st was a Friday
26 December 1967 was a Tuesday.
25 December 1967 was a Monday.
December 3 1967 was a Sunday.
December 7 1967 was a Thursday.
20th December 1967 was a Wednesday.
16 December 1967 was a Saturday.
December 1, 1967 fell on a Friday.
December 16th, 1967 fell on a Saturday.
December 6, 1967 fell on a Wednesday.
December 4, 1967 fell on a Monday.
It was on a Wednesday.
Sunday.