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The First Invention
Alexander Graham Bell invented the first Telephone in 1876 -
Elisha Gray's
14 February 1876, about 1:30 pm: Approximately two hours later Elisha Gray's patent caveat is registered in the cash blotter. Although his caveat was not a full application, Gray could have converted it into a patent application and contested Bell's priority, but did not do so because of advice from his lawyer and his involvement with acoustic telegraphy. The result was that the patent was awarded to Bell. -
Legal Battle
Both Bell and Gray entered a legal battle over who was the first person to invent the telephone but Alexander Graham Bell won -
The first commercial telephone company
12 November 1877: The first commercial telephone company enters telephone business in Friedrichsberg close to Berlin[23] using the Siemens pipe as ringer and telephone devices built by Siemens. -
1877: First long-distance telephone line
Emile Berliner invents the telephone transmitter. -
The first experimental Telephone
The first experimental Telephone Exchange is established in Boston. -
The first permanent telephone
26 January 1878: The first permanent telephone connection in the UK is made between two businesses in Manchester -
The first commercial
The first commercial toll line enters operation, connecting Springfield and Holyoke, Massachusetts[25] -
Tivadar Puskás
1887: Tivadar Puskás introduces the multiplex switchboard, that has an epochal significance in the further development of telephone exchanges.[26] -
The first U.S. coast-to-coast long-distance telephone
1915: The first U.S. coast-to-coast long-distance telephone call, is ceremonially inaugurated by A.G. Bell in New York City and his former assistant Thomas Augustus Watson in San Francisco, California.