1904 in radio

List of years in radio (table)
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The year 1904 in radio involved some significant events.

Events

• January 7 (with effect from February 1) – The Marconi Company establishes "CQD" as one of the first international maritime radio distress signals.
• May 24 – The United States Patent Office awards Marconi a patent for a "Wireless signaling system".
• November 16 – English electrical engineer John Ambrose Fleming, working for Marconi, is awarded a United States patent for the Fleming valve, the first thermionic vacuum tube, a two-electrode diode, which he calls the oscillation valve.
• First radio transmission of music, at Graz, Austria.

Births

• January 15 – Charles Hill, British physician, medical and broadcast executive, politician and "The Radio Doctor" (d. 1989)
• February 23 – William L. Shirer, American war correspondent (d. 1993)
• May 8 – John Snagge, English radio newsreader (d. 1996)
• May 24 – Sefton Delmer, German-born British propaganda radio broadcaster (d. 1979)
• August 14 – Lindley Fraser, Scottish-born academic economist and broadcaster (d. 1963)
• November 24 – Pegeen Fitzgerald, American radio talk-show host (both alone and with her husband, Ed) on WOR and WJZ in New York City and Norcatur, Kansas (d. 1989)