December 13, 1981 fell on a Sunday.
October 13 1981 was a Tuesday.
October 13, 1981 was on a Tuesday.
April 13, 1981 fell on a Monday.
December 13 1956 was a Thursday.
December 13 1999 was on a Monday.
December 13 1985 was on a Friday.
13 December 2001 was a Thursday.
December 13 1989 was a Wednesday.
December 13 1985 was a Friday.
December 13 2014 is a Saturday.
December 13 1919 was a Saturday.
December 13 2010 was a Monday.