The given date was a Thursday.
March 21, 1963, was a Thursday.
January 21 1963 was on a Monday.
June 21 1963 was a Friday.
September 21, 1963 fell on a Saturday.
December 21, 1963 fell on a Saturday.
February 21st, 1963 was a Thursday.
21 March 1960 was a Monday.
21 March 1950 was a Tuesday.
21 March 1959 was a Saturday.
March 21 1946 was a Thursday.
March 21 2005 was a Monday.
March 21 2010 was a Sunday.