11th, May, 2009, was a Monday.
June, 11, 2009, was a Thursday.
April 11, 2009 fell on a Saturday.
September 11, 2009 fell on a Friday.
Wednesday
Saturday!
It was a Friday.
August 11, 2009 fell on a Tuesday.
May 11 1970 was a Monday.
May 11 1944 was a Thursday.
May 11 2010 was a Tuesday.
May 11, 1990 fell on a Friday.
May 11, 1991 was a Saturday.