tuesday
September 21 1969 was on a Sunday.
May 21 1969 fell on a Wednesday.
21 October 1950 was a Saturday.
21 October 1990 was a Sunday.
October 21, 1945 was a Sunday.
October 21 1861 was on a Monday.
October 21 1992 was a Wednesday
October 21, 1999 was a Thursday.
October 21 2010 was a Thursday.
October 21, 1940 was a Monday.
Friday
It was a Thursday.