Monday
November 18, 2009 was a Wednesday.
August 18, 2009 was a Tuesday.
July 18, 2009 fell on a Saturday.
Wednesday
May 18 1933 was a Thursday.
May 18 2010 was a Tuesday.
18 May 1962 was a Friday.
May 18, 1998, fell on a Monday
May 18, 1973 fell on a Friday.
May 18, 1964 fell on a Monday.
May 18, 1966 fell on a Wednesday.