Friday.
Its a tuesday I checked it on my calendar
December 4th, 1989 fell on a Monday. The following year, it fell on a Tuesday.
It was a Thursday.
Friday
June 4 1989 was a Tuesday.
wednesday.
September 4, 1989 fell on a Monday.
October 4, 2002 was a Friday.
October 4 1984 was a Thursday.
October 4 1994 was on a Tuesday.
4 October 1968 was a Friday.
October 4, 1952, was a Saturday.
4 October 1975 was a Saturday.
4 October 1970 was a Sunday.
October 4, 1990 was a Thursday.
October 4 2010 was a Monday.