It was a Wednesday.
May 9, 1990, fell on a Wednesday.
December 9, 1990 was a Sunday.
It was a Tuesday.
Tuesday
May 9 was a Saturday
May 9 1931 was on a Saturday.
May 9 1955 was on a Monday.
9 May 1945 was a Wednesday.
May 9 1947 was on a Friday.
May 9 1947 was a Friday.
May 9 1942 was a Saturday.
May 9 1959 was a Saturday.