1 January 1990 was a Monday.
January 1, 1985 was a Tuesday. January 1, 1990 was a Monday. January 1, 1995 was a Sunday.
1 August 1990 was a Wednesday.
July 1 1990 was a Sunday.
September 1, 1990 fell on a Saturday.
February 1, 1990 was a Thursday.
December 1, 1990 fell on a Saturday.
1 January 1986 was a Wednesday.
1 January 1980 was a Tuesday.
1 January 1989 was a Sunday.
January 1 1974 was a Tuesday.
1 January 2006 was a Sunday.
1 January 1970 was a Thursday.