October 13th 1963 was a Sunday.
July 13 1963 was a Saturday.
December 13, 1963 was a Friday.
May 13, 1963 was a Monday.
March 13, 1963 fell on a Wednesday.
May 13, 1963 fell on a Monday.
Thursday
February 13th 1963 was a Wednesday
Nov 13th 1963 was a Wednesday.
August 13, 1963 fell on a Tuesday.
13 October 1958 was a Monday.
13 October 1970 was a Tuesday.
13 October 1964 was a Tuesday.