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
American Legion the winter; second, the body should draft a tentative name for the organization; and finally, the body should compose a provisional constitution to be submitted to the founding convention for its acceptance or rejection. William G. Price Jr. was selected to preside. Convention rules were decided upon and four 15-member committees were chosen. The Committee on Name reported back that they had considered a dozen potential names, including Veterans of the Great War, Liberty League, American Comrades of the Great War, Legion of the Great War, and The American Legion, among others. This list was whittled down to five ranked