May 21, 1988 fell on a Saturday.
Monday
It was a Friday.
June 21, 1988 fell on a Tuesday.
May 21, 1949 was a Saturday.
May 21 1927 was a Saturday.
May 21, 1975, was a Wednesday.
May 21 1970 was a Thursday.
May 21 2010 was a Friday.
May 21, 1914 was a Thursday.
May 21 1961 was a Sunday.
May 21, 1946 fell on a Tuesday.
May 21, 1955 fell on a Saturday.