It was a Wednesday.
14 December 1988 was a Wednesday.
October 14 1988 was a Friday.
February 14, 1988 fell on a Sunday.
14 September 1993 was a Tuesday.
14 September 2004 was a Tuesday.
14 September 1958 was a Sunday.
September 14 1944 was a Thursday.
September 14 1960 was a Wednesday.
September 14 2001 was a Friday.
September 14 1986 was a Sunday.
September 14 1978 was a Thursday.
September 14 1999 was a Tuesday.