Telephone By samantha.jo.english Mar 3, 1847 Who invented the telephone? The birth of Alexander Graham Bell. Apr 1, 1871 Where did he arrive? Alexander Graham Bell arrived in Boston where he worked with the deaf. The picture represents the school of the deaf the Mr. Bell worked at. Jun 2, 1875 Theory Bell's theory of the telephone was confirmed. Mar 7, 1876 the first telephone patent to Alexander Graham Bell Mar 10, 1876 First complete sentence of speech transmitted by telephone in Boston Oct 9, 1876 Bell conducted the first successful experimental two-way talk over the telephone between Boston and Com-bridgeport, Mass., distance of 2 miles Jan 28, 1878 First commercial telephone exchange in the world Sep 4, 1884 opening of the telephone service Mar 3, 1885 Incorporation of American Telephone and Telegraph Company, New York City. Oct 18, 1892 Opening of long distance telephone service, New York to Chicago, 950 miles. Feb 26, 1914 The under-ground telephone cable placed in commercial service Jan 25, 1915 Opening of First Trans-continental telephone line
