April 1, 1981 was on a Wednesday.
March 1, 1981 fell on a Sunday.
January 1, 1981 fell on a Thursday.
August 1, 1981 fell on a Saturday.
July 1, 1981 fell on a Wednesday.
Tuesday!
October 1st 1981 was a Thursday.
The 1st of August 1981 was a Saturday.
The day of the week that May 1, 1977 fell on was a Sunday.
January 18th, 1981 was a Sunday.
May Day, May 1 2009, was on a Friday.
May 1, 1982 was a Saturday.