It was a Thursday.
July 31 1996 was on a Wednesday.
May 31 1996 was a Friday.
August 31, 1996, was a Saturday.
31 October 2001 was a Wednesday.
31 October 1994 was a Monday.
31 October 2006 was a Tuesday.
31 October 2004 was a Sunday.
October 31, 1979 was a Wednesday
October 31 1952 was a Friday.
October 31 1945 was a Wednesday.
October 31, 1997 was a Friday.
October 31, 1982 was a Sunday.