Thursday.
5 December 1990 was a Wednesday.
October 5, 1990 fell on a Friday.
5 July 1969 was a Saturday.
5 July 1959 was on a Sunday.
July 5, 1957 was on Friday.
July 5 2010 was a Monday.
July 5, 1983 was a Tuesday.
July 5, 1991 was a Friday.
Monday
It was a Friday.
July 5, 1965 fell on a Monday.
July 5 1989 was a Wednesday.