Wednesday
May 11 1983 was on a Wednesday.
May 11th, 1980 was a Sunday.
May 11th 1963 was a Saturday.
11th May 1951 was a Friday.
May 11th, 1966 fell on a Wednesday.
Thursday was the day of the week of May 12, 1983
Saturday
Tuesday
11th, May, 2009, was a Monday.
May 11th 1963 was a Saturday.
May 11, 1999 was a Tuesday.
The 11th of May 1950 was a Thursday.