Radio

First radio ever invented

Dec 12, 1901

First radio used on air.

Dec 24, 1906

First radio station in America

Nov 2, 1920

First car radio

Mar 18, 1924

First radio used in WW2

Sep 3, 1939

First touch screen radio

Aug 28, 1986

First digital radio

Jun 14, 1994

Smart mobile radios came out

Jan 29, 2002