It was a Saturday.
August 18th, 1989 fell on a Friday.
18th November 1963 was a Monday.
November 18th, 1936 fell on a Wednesday.
November 18th, 1968, fell on a Monday.
November 18th, 1950 fell on a Saturday.
November 18th, 1982 fell on a Thursday.
November 18th, 1983 fell on a Friday.
Wednesday
April 18, 1989 was a Tuesday.
Saturday.
Sunday
11th November 1989 was a Monday