The given date was a Tuesday.
Tuesday
December 9 1950 was a Sayurday.
May 9 1950 was a Tuesday.
May 9, 1995 was a Tuesday.
In the USA, May 8th.
Monday
May 9th, 1970, was a Saturday.
March 9, 1950 was a Thursday.
September 9 1950 was on a Saturday.
January 9, 1950 was on a Monday.
June 9, 1950 fell on a Friday.
November 9, 1950 fell on a Thursday.