May 25, 1979 (April 30), Kang Xi, the United States aviation accidents killed 273 people. May

1979, 25, 2009, a plane crash, 273 innocent people were killed. This seems to be caused by a defect in the aircraft, so the government ordered all DC 10 aircraft to stop flying. Investigators said, which is the largest in the history of American Airlines crash; cause of the accident, American Airlines DC 10 aircraft shortly after take-off from Chicago O'Hare International Airport, one of the engines did give wing split caused consequences.