It was a Thursday.
July 20, 1989 was a Thursday.
June 20 1989 was a Tuesday.
March 20 1989 was on a Monday.
May 20, 1989 was a Saturday.
August 20, 1989 fell on a Sunday.
April 20, 1989 fell on a Thursday.
20, July, 1986, was a Sunday.
July 20 1973 was a Friday.
July 20 2010 was a Tuesday.
20 July 1997 was a Sunday.
20 July 1974 was a Saturday.
July 20, 1969 was a Sunday