September 13 1958 was on a Saturday.
September 13, 1958 fell on a Saturday.
Saturday http://www.timeanddate.com/calendar/?year=1958&country=1
13 October 1958 was a Monday.
December 13 1958 was a Saturday.
Nov 13 1958 was a Thursday.
13 November 1958 was a Thursday.
April 13, 1958 fell on a Sunday.
August 13, 1958 was a Wednesday.
June 13, 1958 fell on a Friday.
Thursday.
It was a Sunday.
January 13th, 1958 was a Monday.Monday