1976 Philadelphia Legionnaires' disease outbreak 1976 Philadelphia Legionnaires' disease outbreak The 1976 Legionnaires disease outbreak, occurring in the late summer in Philadelphia, Pennsylvania, was the first occasion in which a cluster of a particular type of pneumonia cases were determined to be caused by the "Legionella pneumophila" bacteria. Previous outbreaks were retroactively diagnosed as being most probably caused by Legionella bacteria. On July 21, 1976, the American Legion opened its annual three-day convention at the Bellevue-Stratford Hotel in Philadelphia, Pennsylvania. More than 2,000 Legionnaires, mostly men, attended the convention. The date and city were chosen to coincide with America’s celebration of the 200th anniversary of
Tornado outbreak sequence of June 1966 Tornado outbreak sequence of June 1966 The Tornado outbreak sequence of June 1966 was a series of tornado outbreaks which occurred between June 2 and June 12. The most destructive tornado of this event occurred on the early evening of Wednesday, June 8, 1966, when Topeka, Kansas was struck by an F5 rated tornado. It started on the southwest side of town, moving northeast, passing through several subdivisions and over a local landmark named Burnett's Mound. 57 tornadoes were confirmed during the 11-day span, which left 18 people dead and 543 injured. According to a local Native American legend, Burnet's