From Cave Paintings to the Internet A Chronological and Thematic Database on the History of Information and Media Radio Outline

The Loose-Contact Carbon Microphone
(1878)

Hertz Proves the Existence of Electromagnetic Waves
(1887)

Electromagnetic Waves
(1892)

Invention of Radio
(1895)

The First Transmission of Speech over Radio Waves
(December 23, 1900)

The First Transatlantic Radio Transmission?
(December 12, 1901)

Fleming Invents the Vacuum Tube
(1904)

Lee de Forest Invents the Triode
(1906)

The First Audio Radio Broadcast of Entertainment and Music
(December 24, 1906)

Invention of the Regenerative Circuit
(1914)

The First Radio News Broadcast
(August 31, 1920)

The First Commercial Radio Broadcast
(November 2, 1920)

The BBC is Founded
(October 18, 1922)

The Beginning of "Talk Radio"
(February 1924)

Sarnoff Creates NBC
(1926)

CBS
(September 1928)

Frequency Modulation (FM)
(1933 – 1936)

Creation of the FCC
(1934)

Mass Hysteria Induced by Electronic Media
(October 30, 1938)

First Commercial Transistor Radio
(1954)

"The Medium is the Message"
(1964)

The First Packet-Switched Data Network
(1970)

The First Widely Used Music Scheduling System
(1979)

Invention of "Buffered Media," the Basis for Webcasting
(1989)

First Internet Radio Broadcast
(May 3 – May 5, 1994)

The Rolling Stones Present the First "Cyberspace Multicast Concert"
(November 1994)

The Traditional Radio Station Begins Internet Broadcasts
(November 7, 1994)

The First Continuous Live Webcasts
(January 1998)

Satellite Radio Broadcasting Begins
(September 25, 2001)

Sirius Satellite Radio
(July 1, 2002)

From Gutenberg to the Internet
(2005)

Sirus XM Satellite Radio
(July 29, 2008)