1976 Philadelphia Legionnaires' disease outbreak failed. The disease was finally produced in guinea pigs. The CDC announced the discovery at a press conference on January 18, 1977. The bacterium was later named "Legionella pneumophila". "Legionella pneumophila" is the most common cause, but sometimes other species of Legionella bacteria also cause Legionnaires' disease. The terms "Philadelphia fever" and "Legion fever" appear to have been used at the time of the outbreak and for shortly thereafter, although at least one 2008 source which covers disease in a historical narrative sense also included "Legion Fever" as alternate name. Both the World Health Organization in 2018 and the United
American Legion part of this was drum and bugle corps competition in which approximately 14,000 members took part. The American Legion Memorial Bridge in Traverse City, Michigan, was completed in 1930. The Traverse City city commission decided to purchase dedication plaques for $100 at the request of The American Legion in 1930. The Sons of the American Legion formed at The American Legion's 14th National Convention in Portland, Oregon, on September 12–15, 1932. Membership is limited to the male descendants of members of The American Legion, or deceased individuals who served in the armed forces of the United States during times specified