Tuesday
July 13, 1956 was on a Friday.
December 13 1956 was a Thursday.
April 13, 1956 was a Friday.
November 13, 1956 was a Tuesday.
May 13, 1956 fell on a Sunday.
June 13th 1956 was a Wednesday.
February 13, 1956 fell on a Monday.
Saturday
Monday
It was a Friday.
Thursday
It was a Friday.