It was a Friday.
That was a Friday.
Saturday
Monday
September 18, 1951, was a Tuesday.
18 September 1986 was a Thursday.
February 18, 1981 was a Wednesday.
December 18, 1981 was a Friday.
The given date was a Thursday.
November 18, 1981 fell on a Wednesday.
It was a Sunday.
May 18, 1981 was a Monday.
January 18th, 1981 was a Sunday.