20th Century: 1947

American engineers John Bardeen and Walter Houser Brattain together with their group leader William Shockley invented the transistor.

The Association for Computing Machinery (ACM), was founded as the world’s first scientific and educational computing society. It remains to this day with membership currently around 78,000. Its headquarters are in New York City.

American Telephone and Telegraph establish the Area Code system for World Zone 1 (North America) to allow operators and later automatic switching systems to handle nationwide telephone calls. Previously, telephone calls were partially handled by automatic switching systems but were limited to local calls.

American test pilot Chuck Yeager breaks the sound barrier for the first time, also known as Glamorous Glennis. The Bell X-1 is a rocket engine-powered aircraft, designated originally as the XS-1, and was a joint National Advisory Committee for Aeronautics–U.S. Army Air Forces–U.S. Air Force supersonic research project built by Bell Aircraft.

Bell X-1 – NASA / Public domain

The first broadcast of Howdy Doody, Kraft Television Theatre and Meet the Press; the World Series is broadcast live for the first time and the 1947 Tournament of Roses Parade becomes the very first parade ever televised.

Top U.S. Film of 1947:

Copyright 1947 – By Twentieth Century–Fox Film Corp. / Public domain

Top U.S. Song in 1947 – Near you – Frances Craig

Images of 1947:

President Truman Baseball opening day 1947 – National Archives and Records Administration / Public domain
Fun in the Sun 1947 – unknown (Los Angeles Times) / Public domain