Alexander Graham Bell National Historic Site more, see Bras d'Or Lakes. Alexander Graham Bell National Historic Site Alexander Graham Bell National Historic Site is a property in Baddeck, Cape Breton, Nova Scotia, Canada, overlooking the Bras d'Or Lakes. The site is a unit of the national park system, and includes the Alexander Graham Bell Museum, the only museum in the world containing the actual artifacts and documents from Bell's years of experimental work in Baddeck. This site was designated a National Historic Site in 1952. The museum features artifacts donated in 1955 from the Bell family's personal museum, located in the Kite House at Beinn Bhreagh.
Bell System the United States Department of Justice in 1984, at which time the Bell System ceased to exist. Receiving a U.S. patent for the invention of the telephone on March 7, 1876, Alexander Graham Bell formed the Bell Telephone Company in 1877, which in 1885 became AT&T. When Bell's original patent expired 15 years later in 1894, the telephone market opened to competition and 6,000 new telephone companies started while the Bell Telephone company took a significant financial downturn. On April 30, 1907, Theodore Newton Vail returned as President of AT&T. Vail believed in the superiority of one national telephone system