Tuesday
November 13 1988 was a Sunday
February 13 1988 was a Saturday.
May 13, 1988 fell on a Friday.
13 September 1995 was a Wednesday.
September 13 1779 was a Monday.
September 13 1980 was a Saturday.
September 13 1949 was on a Tuesday.
September 13 1979 was a Thursday.
September 13 1944 was a Wednesday.
September 13 1928 was a Thursday.
September 13 2010 was a Monday.
September 13, 1933 was a Wednesday.