October 21, 1978 fell on a Saturday.
Wednesday
April 21 1978 was a Wednesday.
September 21, 1961 was a Thursday.
21 December 1989 was a Thursday.
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.
21 October 1990 was a Sunday.
October 21, 1973 was a Sunday.
October 21, 1981 was a Wednesday.
October 21, 1993 fell on a Thursday.
October 21, 1942 fell on a Wednesday.