Sept. 29, 1920: Radio Goes Commercial | WIRED
WWJ, the world's first commercial radio station
Radio | Definition, History, & Facts | Britannica
History of radio - Wikipedia
1928 Radio Broadcast Recording - YouTube
ME Music en Twitter: "#OTD Aug20,1920 1st US commercial radio station, 8MK Detroit (later WWJ @WWJ950), began broadcasting America's Pioneer Broadcasting Station https://t.co/m3a2NmrOLT" / Twitter
100 years ago, the first commercial radio broadcast announced the results of the 1920 election – politics would never be the same
Hancock Historical Museum » 1920s Radio
Hello Ottawa–Hello Montreal” - The Historical Society of Ottawa
CANADA INVENTED COMMERCIAL RADIO 100 YEARS AGO - The Wayback Times
File:Frank Conrad radio station 8XK 1920.jpg - Wikimedia Commons
Early Commercial Radio Broadcasting in Canada, 1918-1932 National Historic Event
How a 1920s radio broadcast changed politics forever
NAB Tools Bring Stations Ways to Celebrate Radio's Centennial | Radio & Television Business Report
1.506 fotos e imágenes de 1920 Radio - Getty Images
KDKA, First Commercial Radio Station - Engineering and Technology History Wiki
Images: The 1920s - Music, Markets, and Milestones: 75 Years of KOAC Radio - KOAC Records - Special Collections & Archives Research Center, Oregon State University Libraries
The Development of Radio | American Experience | Official Site | PBS
This week in history: First public radio broadcast - The Jerusalem Post
German radio turns 100: a look back at its early years – DW – 12/22/2020
100 years later: KDKA's celebration to reenact historic first broadcast of 1920 election results | Pittsburgh Post-Gazette
KDKA's Historic Broadcast - CBS Pittsburgh
Radio Station Studios in the 1920s – Radio Heritage Foundation
First KDKA radio broadcast sparked a revolution | Local News | observer-reporter.com
Station 8MK in Detroit, the First Radio Station Owned by a Newspaper, Broadcasts the First Radio News Program : History of Information
Constructing the First “Real” Radio Station - Radio World
