The first "Social Media" ?
Inventions in the 1920's Fact 12: 1920 - First US Radio Station: Timeline: America's first Radio Station was KDKA who were issued with the first ever license on Oct. 27, 1920 - refer to 1920's Radio and Advertising
First air date November 2, 1920
On August 5, 1921, KDKA became the first radio station to broadcast a major league professional baseball game, when announcer Harold W. Arlin called the Pittsburgh Pirates-Philadelphia Phillies game from Forbes Field.
In 1922, KDKA hosted political humorist Will Rogers in his first radio appearance.