October 1st 1981 was a Thursday.
June 1st 1994 was a Wednesday. See answer to October 13, 1981.
April 1, 1981 was on a Wednesday.
August 1, 1981 fell on a Saturday.
January 1, 1981 fell on a Thursday.
July 1, 1981 fell on a Wednesday.
March 1, 1981 fell on a Sunday.
It was a Friday.
Tuesday!
1 October 1983 was a Saturday.
1 October 1946 was a Tuesday.
1 October 1934 was a Monday.
1 October 2005 was a Saturday.