Friday (1984 has the same calendar as 2012)
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 January 1954 was a Wednesday.
13 January 1943 was a Wednesday.
13 January 1971 was a Wednesday.
January 13 1927 was a Thursday.
January 13, 1967 was a Friday.
January 13 2000 was a Thursday.
January 13, 1998 was on a Tuesday.
January 13, 1983 was a Thursday.