It was a Thursday.
13 February 1964 was a Thursday.
April 13, 1964 fell on a Monday.
It was a Monday!
August 13th, 1964 fell on a Thursday. The following year, it fell on a Friday.
August 13 1952 was a Wednesday.
Thursday
It was a Friday.
Saturday.
It was a Saturday.
February 13, 1989 was a Monday.
Thursday
13 October 1964 was a Tuesday.
July 13, 1964 was a Monday.
13 February 1964 was a Thursday.
January 13, 1964 fell on a Monday.
April 13, 1964 fell on a Monday.
The given date was a Saturday.