The given date was a Sunday.
November 15, 1960 was a Tuesday
October 15, 1960 fell on a Saturday.
15 may 1960
15 May 1980 was a Thursday.
May 15 1985 was a Wednesday.
May 15, 2011 was a Sunday.
May 15, 1995 was a Monday
May 15, 1963 was a Wednesday.
15 May 1939 was on a Monday.
May 15 2010 was a Saturday.
May 15, 1946 was a Wednesday.
May 15, 1993, was a Saturday.