A Friday.
13 July 1989 was a Thursday.
February 13, 1989 was a Monday.
December 13 1989 was a Wednesday.
February 13 1989 was a Monday.
November 13, 1989 fell on a Monday.
13 January 1954 was a Wednesday.
13 January 1943 was a Wednesday.
13 January 1971 was a Wednesday.
january 13 Thursday
January 13, 1998 was on a Tuesday.
January 13 2000 was a Thursday.
January 13 1927 was a Thursday.