September 12, 1978 fell on a Tuesday.
February 12 1978 was a Sunday.
March 12, 1978 was a Sunday.
June 12, 1978, was a Monday.
Tuesday.
Thursday
12 September 1787 was a Wednesday.
12 September 1947 was a Friday.
12 September 1998 was a Saturday.
September 12 1953 was on a Saturday.
September 12 1988 was a Monday.
September 12 2010 was a Sunday.
September 12, 2012 was a Wednesday.