Atari, Inc. is founded
Nolan Bushnell and Ted Dabney incorporated Atari, Inc. in California on June 27, 1972 — months later Pong would kick off the video game industry as we know it.
Source: Wikipedia — Atari, Inc.: 'Founded June 27, 1972' and 'Atari was incorporated in the state of California on June 27, 1972'