What day of the week was May 31, 1985?

The day of the week May 31st, 1985 fell on was a Friday.

Gaston Rébuffat the French mountaineer (b. 1921) died on this day in 1985.

1985 United States–Canadian tornado outbreak: Forty-one tornadoes hit Ohio the Pennsylvania, New York, and Ontario, leaving 76 dead.