In the United States, a night time Fujita scaletornado strikes the small city of Udall, Kansas, killing 80 and injuring 273. It was the deadliest tornado to ever occur in the state and the 23rd deadliest in the U.S.,
American Airlines Flight 191: In Chicago, a McDonnell Douglas DC-10 crashes during takeoff at O'Hare International Airport killing 271 on board and two people on the ground.,