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The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
1 July 1881: The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States. [22] 11 October 1881: The Sydney telephone exchange opened with 12 subscribers. 1882: A telephone company—an American Bell Telephone Company affiliate—is set up in Mexico City.
The Edison patents kept the Bell monopoly viable into the 20th century, by which time telephone networks were more important than the instrument. Early telephones were locally powered by a dynamic transmitter. One of the jobs of outside plant personnel was to visit each telephone periodically to inspect the battery.
The Choctaw code talkers were a group of Choctaw Indians from Oklahoma who pioneered the use of Native American languages as military code during World War I. The government of the Choctaw Nation maintains that the men were the first American native code talkers ever to serve in the US military. They were conferred the Texas Medal of Valor in ...
Contemporary map of the 1858 transatlantic cable route. Transatlantic telegraph cables were undersea cables running under the Atlantic Ocean for telegraph communications. . Telegraphy is a largely obsolete form of communication, and the cables have long since been decommissioned, but telephone and data are still carried on other transatlantic telecommunication
The electric telephone was invented in the 1870s, based on earlier work with harmonic (multi-signal) telegraphs. The first commercial telephone services were set up in 1878 and 1879 on both sides of the Atlantic in the cities of New Haven, Connecticut in the US and London, England in the UK.
During the annexation of Crimea and the war in the Donbas Russia used "electronic warfare systems to jam and intercept communications signals, jam and spoof GPS receivers, and tap into cellular networks and hack cell phones." Russian EW was poorly optimized and as a result, usage of the EW system caused problems with their own communications ...
The timeline of North American telegraphy is a chronology of notable events in the history of the electric telegraphy in the United States and Canada, including the rapid spread of telegraphic communications starting from 1844 and completion of the first transcontinental telegraph line in 1861.