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Nikola Tesla wirelessly transmitted electromagnetic energy
He made the first public demonstration of radio in St. Louis in 1893. -
Marconi filed for protection of his radio
He established the Wireless Telegraph and Signal Company in 1897. -
First Transatlantic Signal Sent
First Transatlantic signal sent by Marconi from Ireland to Canada. -
First speech and music transmitted through a radio
Reginald Fessenden is the 1st to transmit a program of speech and music. -
First radio transmission from an airplane.
At a 1910 air meet in the Sheepshead Bay section of Brooklyn, New York, Culver, and a colonel went up in an airplane and sent a radio signal from a transmitter credited to Horton, -
Non government used radios are closed
All U.S. radio stations not needed by the government are closed as WWI begins. -
First on-air advertisement
The first on-air advertisement was carried by a New York station. -
The Federal Radio Commission brings order to chaotic airwaves.
The Radio Act of 1927 was signed by President Calvin Coolidge on February 23, 1927. -
First national network was formed
The first permanent national network, NBC, was formed. CBS followed a year later. -
Cellular radio telephony was conceived
Cellular radio telephony, with call handoff and frequency reuse, was conceived at Bell Laboratories.