It was a Saturday.
September 1, 1973 fell on a Saturday.
September 1st, 1973 fell on a Saturday.
November 1 1973 was a Thursday.
June 1, 1973, was a Friday.
April 1, 1973 fell on a Sunday.
May 1, 1973 fell on a Tuesday.
October 1, 1973 fell on a Monday.
January 1, 1973 fell on a Monday.
It was a Thursday.
1 September 1970 was a Tuesday.
1 September 1958 was a Monday.
1 September 1946 was a Sunday.