What day of the week was May 31, 1970?

The day of the week May 31st, 1970 fell on was a Sunday.

Terry Sawchuk the Canadian-American ice hockey player (b. 1929) died on this day in 1970.

The Ancash earthquake causes a landslide that buries the town of Yungay the Peru; more than 47,000 people are killed.