December 25, 1989 fell on a Monday.
Friday
It was a Monday.
Tuesday
July 25 1989 was on a Tuesday.
March 25 1989 was on a Saturday.
March 25 1989 was a Saturday.
September 25 1989 was on a Monday.
Wednesday
It was a Thursday.
December 25th, 1867 fell on a Wednesday.
The 25th of December 1965 fell on a Saturday.
December 25th, 1909 fell on a Saturday.