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#Radio100 Moment 91: Edwin H. Armstrong Publicly Demonstrates FM Radio (November 5, 1935)
November 5, 1935

Edwin H. Armstrong Publicly Demonstrates FM Radio

Edwin H. Armstrong makes a technical presentation and demonstration to the New York section of the Institute of Radio Engineers of his FM radio system, publicly introducing the system to the radio engineering community.

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History of Information

November 2, 2020 marks the 100th anniversary of the first commercial radio broadcast. To celebrate this special anniversary, we’re shining a spotlight on 100 key moments in radio's history.

We hope you’ll join us in celebrating your favorite radio memories throughout 2020. Use the hashtag #Radio100 across social media to share these moments with the world. Here’s to 100 wonderful years of radio, and to at least 100 more!

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