It was a Monday.
October 11 1961 was a Wednesday.
July 11 1961 was a Tuesday.
October 11 1961 was a Wednesday.
May 11, 1961 fell on a Thursday.
November 11, 1961 fell on a Saturday.
11 April 1961 was a Tuesday.
11 December 1965 was a Saturday.
December 11 2010 was a Saturday.
December 11 1968 was a Wednesday.
December 11, 1951 fell on a Tuesday.
December 11, 1996 fell on a Wednesday.
December 11, 2000 fell on a Monday.