April 20, 1954 fell on a Tuesday.
Monday.
Wednesday
Monday. Check out the related link I added.
June 20th, 1954 fell on a Sunday. The following year, it fell on a Monday.
September 20th, 1954 fell on a Monday. The following year, it fell on a Tuesday.
20 May 1942 was a Wednesday.
May 20 1971 was a Thursday.
May 20, 1955, was a Friday
May 20 1965 was on a Thursday.
May 20 2010 was a Thursday.
May 20, 2011 was a Friday.