September 21st, 1930 fell on a Sunday.
September 21st, 1947 fell on a Sunday.
The day of the week for September 21, 1978 was a Thursday.
Wednesday
September 21, 1995, was a Thursday.
It was a Saturday.
Sept. 11, 1930 was on a Thursday.
September 21st, 1979 fell on a Friday.
September 21, 1985, was a Saturday.
September 21, 1945 was a Friday.
From a US perpetual calendar: September 21, 1989 was on Thursday.
September 21st, 1983 fell on a Wednesday.
The given date was a Thursday.