Date : 1876-March-07
Country : United States of America (USA)
Alexander Graham Bell invented the first telephone. In 1871, Bell started working on the harmonic telegraph. That was a device to allow multiple messages to be transmitted over a wire at the same time. Also, he tried with findings a way to transmit the human voice over wires. Then, he obtained a patent for his telephone in 1876. After a few days, he made the first telephone call to his partner Mr. Thomas Watson.
Initially, telephone lines were established separately, and these lines were connected with pairs of telephones. In 1877, the first telephone line was set in Boston. Alexander Graham Bell launched the Bell Telephone Company in 1877. He made the first transcontinental phone call to Mr.Watson from New York to San Francisco in 1915.
Category : Innovation
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1767 King Taksin was crowned King of Thailand (Siam)
1807 Innovation of the steamboat
1940 Winston Churchill became British Prime Minister, replacing Neville Chamberlain
1932 Radio City Music Hall opened in New York City
1945 International Monetary Fund was formally established by 29 member countries
2003 The Spirit Rover was launched by NASA to start the Mars Exploration Rover mission
1814 Innovation of the steam locomotive (engine)
1926 John Logie Baird gave the first public demonstration of a live television system
1949 Queen Juliana of the Netherlands signed the papers to grant independence to Indonesia
1994 Nelson Mandela sworn in as the first black president of South Africa
1901 Guglielmo Marconi sent and received the first wireless message across the Atlantic Ocean
1964 United States President Lyndon B. Johnson signed the Civil Rights Act into law
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