Tuesday.
December 15th, 2010 fell on a Wednesday.
15th Dec 1952 was a Monday
it was Thursday
Sunday
It was a Wednesday.
It was a Monday.
December 15th 1919 was a Monday. December 15th 2019 will be a Sunday.
15th December 1961 was a Friday.
15th December 1942 was a Tuesday.
December 15th, 1983 fell on a Thursday.
December 7, 1992 fell on a Monday.
December 1, 1992 fell on a Tuesday.