First successful long-distance demonstration of television 90 years ago this hour #OnThisDay #OTD (Apr 7 1927)


(Thursday, April 7, 1927, 3:25 p.m. EST) — The image and voice of U.S. Commerce Secretary Herbert Hoover were transmitted live this afternoon from Washington to New York in the first successful long-distance demonstration of television (click here to watch a film of today’s event).