1984 was a leap year that started on a Sunday, so March 18th was a Sunday.
December 18, 1984 fell on a Tuesday.
June 18, 1984 fell on a Monday.
18 March 1977 was on a Friday.
March 18 1949 was a Friday.
March 18 1990 was a Sunday.
March 18 1979 was a Sunday.
March 18 2005 was a Friday.
March 18 1983 was a Friday.
March 18, 1948 was a Thursday.
March 18 1998 was a Wednesday.
March 18 2010 was a Thursday.
March 18, 1953, was a Wednesday.