September 6th, 2024
On September 6, 1920, the first boxing match was broadcast on radio. Jack Dempsey defeated Billy Miske with a knockout in the third round of a scheduled 10-round fight.
Source: www.nytimes.com/1920/09/07/archives/dempseys-blows-knock-out-miske-in-third-round-champion-finishes-the.html