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Alexander Graham Bell invented the telephone in 1876.

On March 10, 1876 he made the first phone call to his assistant, "Watson, come here. I want to see you."
He invented the telephone in 1876 at the age of 29.
It is generally accepted that Scottish-born inventor, Alexander Graham Bell, invented the first practical telephone on March 10, 1876, when, in Boston, USA, he spoke his famous words "Mr Watson, come here. I want to see you."

Answer

The telephone was invented when Alexander was 29 years old, and that was July 26, 1876.

Answer

He invented the telephone when he was 29 on March 10, 1876

Answer

He invented the telephone when he was 29 on March 10,1847
1876

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8y ago

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