It was a Friday.
July 20 1973 was a Friday.
June 20, 1973 was a Wednesday.
August 20 1973 was a Monday.
Monday
Thursday
20 April 1957 was a Saturday.
April 20 2010 was a Tuesday.
April 20, 1935 was a Saturday.
April 20 1999 was a Tuesday.
April 20, 1961 fell on a Thursday.
April 20, 2000 fell on a Thursday.
April 20, 1912 fell on a Saturday.