21 October 1990 was a Sunday.
July 21, 1990 fell on a Saturday.
June 21, 1990 fell on a Thursday.
May 21, 1990 fell on a Monday.
September 21, 1990 fell on a Friday.
October 21, 1945 was a Sunday.
21 October 1950 was a Saturday.
October 21, 1940 was a Monday.
October 21, 1999 was a Thursday.
October 21 2010 was a Thursday.
October 21 1992 was a Wednesday
October 21 1861 was on a Monday.
October 21, 1973 was a Sunday.