When was the first cellular phone invented?
April 3, 1973.
Who invented it?
Alexander Graham Bell, Antonio Meucci, Amos Dolbear, John Peirce and Charles A. Cheever.
Why was invented?
Hearing the sound, Bell believed that he could solve the problem of sending a human voice over a wire. He figured out how to transmit a simple current first, and received a patent for that invention on March 7, 1876.
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