July 13, 1964 was a Monday.
It was a Monday!
13 October 1964 was a Tuesday.
13 February 1964 was a Thursday.
January 13, 1964 fell on a Monday.
April 13, 1964 fell on a Monday.
July 13, 1941 was a Sunday.
13 July 1957 was a Saturday.
13 July 1995 was a Thursday.
July 13, 1956 was on a Friday.
July 13 1936 was a Monday.
July 13 2010 was a Tuesday.
July 13 1978 was a Thursday.