* The development of the vacuum tube made it possible to amplify radio signals, leading to the first commercially successful radio broadcast in 1920.
* Silent Film Era Ends - Talkies Arrive:
- The Jazz Singer movie released on October 6, 1927. It would mark the first "talkie" because of its sync dialogs
Aviation
* Charles Lindbergh's historic 1927 solo flight across the Atlantic
* Amelia Earhart became the first woman to fly solo across the Atlantic.
* Wiley Post and Harold Gatty were the first to circumnavigate the globe
Telephony
* In 1927 the AT&T Bell System demonstrated a transatlantic phone call
* Rotary dial telephones replaced the older candlestick phones during this era.
The Roaring 20s gave birth to new forms of communications and transportation
Radio and cinema changed cultural landscape. Air, land, travel became widespread across society