July 20, 1981 fell on a Monday.
20 October 1981 was a Tuesday
20 July 1974 was a Saturday.
July 20 1973 was a Friday.
20 July 1997 was a Sunday.
July 20 2010 was a Tuesday.
20, July, 1986, was a Sunday.
It was a Friday.
September 20th, 1981 was a Sunday.
July 20, 1969 was a Sunday
July 20, 1968 was a Saturday.
July 20, 1983 was a Wednesday.
July 20 1953 was on a Monday.