It was a Monday.
December 22, 1986 fell on a Monday.
22nd December 1986 was a Monday.
July 22, 1986 fell on a Tuesday.
December 22 1968 was a Sunday.
22 December 1937 was a Wednesday.
22 December 1995 was a Friday.
December 22 1961 was a Friday.
December 22 1987 was a Tuesday.
December 22 1970 was on a Tuesday.
December 22, 1997, was a Monday.
December 22 2010 was a Wednesday.
December 22, 1912 was a Sunday.