1906 | December 24 – Canadian inventor Reginald Fessenden is the first to successfully transmit the sound of a human voice by radio. He accomplishes this between two 50-foot towers. Six years later, after a long battle to raise more funds, Fessenden makes the first long-range voice broadcast in radio history on Christmas Eve, and plays “O Holy Night” on his violin to radio operators on ships in the Atlantic.
Reginald Aubrey Fessenden (October 6, 1866 – July 22, 1932) in his lab, believed circa 1906