A Thursday.
January 20, 1948 fell on a Tuesday.
Friday
Friday
It Was A Tuesday
December 20, 1948 fell on a Monday.
Saturday. Check out the related link I added.
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, 1989 was a Saturday.
May 20, 2011 was a Friday.