![Images: The 1920s - Music, Markets, and Milestones: 75 Years of KOAC Radio - KOAC Records - Special Collections & Archives Research Center, Oregon State University Libraries Images: The 1920s - Music, Markets, and Milestones: 75 Years of KOAC Radio - KOAC Records - Special Collections & Archives Research Center, Oregon State University Libraries](http://scarc.library.oregonstate.edu/coll/rg015/images/hc0598_radio-900w.jpg)
Images: The 1920s - Music, Markets, and Milestones: 75 Years of KOAC Radio - KOAC Records - Special Collections & Archives Research Center, Oregon State University Libraries
![A radio advertisement in 1925). The invention of the radio brought the world together by sharing news, sports, and music. It … | Old time radio, Radio, Advertising A radio advertisement in 1925). The invention of the radio brought the world together by sharing news, sports, and music. It … | Old time radio, Radio, Advertising](https://i.pinimg.com/564x/7e/19/06/7e19066e821ef34d8ca219e8aa9395d4.jpg)
A radio advertisement in 1925). The invention of the radio brought the world together by sharing news, sports, and music. It … | Old time radio, Radio, Advertising
![100 years ago, the first commercial radio broadcast announced the results of the 1920 election – politics would never be the same 100 years ago, the first commercial radio broadcast announced the results of the 1920 election – politics would never be the same](https://images.theconversation.com/files/366504/original/file-20201029-15-3l6n31.jpg?ixlib=rb-1.1.0&rect=115%2C290%2C3175%2C2345&q=45&auto=format&w=926&fit=clip)