November 13 1948 was a Saturday.
April 13, 1948 was a Tuesday.
13 September 1948 was a Monday.
January 13, 1948 fell on a Tuesday.
Monday
It was a Tuesday.
It was a Friday.
That was on a Friday.
Friday
Monday
October 13, 1948 fell on a Wednesday.
May 13 1982 was a Thursday.