It was a Monday.
September 20, 1985 fell on a Friday.
It was a Saturday.
July 20, 1985, was a Saturday.
June 20th 1985 was a Thursday.
20 May 1942 was a Wednesday.
20 May 1958 was a Tuesday.
May 20 1965 was on a Thursday.
May 20 1946 was on a Monday.
May 20 1971 was a Thursday.
May 20 1980 was a Tuesday.
May 20 2010 was a Thursday.
May 20, 1955, was a Friday