The given date was a Thursday.
Thursday.
November 13, 1984 was a Tuesday.
September 13 1984 was a Thursday.
8-13-1984 was a Monday.
October 13, 1984 fell on a Saturday.
13 December 2001 was a Thursday.
December 13 1919 was a Saturday.
13 December 1930 was a Saturday.
December 13 1950 was a Wednesday.
December 13 2010 was a Monday.
December 13 2014 is a Saturday.
December 13 1989 was a Wednesday.
December 13 1985 was a Friday.