Video: 'Warren Harding radio broadcast'

(Wednesday, June 14, 1922, scheduled for 4:30 p.m. EDT) — Warren G. Harding became the first U.S. president heard on radio today, as Baltimore station WEAR broadcast his speech dedicating a memorial to Francis Scott Key, who wrote the lyrics for “The Star-Spangled Banner,” at Fort McHenry in Baltimore.

Video: 'Warren Harding Recorded Speeches (1920-1921)'

An estimated 125,000 listeners heard Harding’s speech on the radio.