12 Atari Historical Highlights

1. Atari Incorporated was born on 27 June 1972.
2. Atari hired Allan Alcorn as their first engineer who designed Pong which was a test game, at first.
3. Pong was Atari's first shipped product which began on 30 November 1972 at a price of $1095.
4. The first in-house graphic designer of Atari was George Opperman who designed the Atari logo which was known as "Fuji" for its resemblance to the Japanese mountain, although the design's origins are unrelated to it.
5. Atari created its own competitor, Kee Games, in 1973 to break deals with exclusive distributors and released its first game title Tank. 
6. It was in January 1980 that Space Invaders which was the first licensed title for the 2600 game console was released.
7. It was in July1981 that Atari Centipede became the first coin-op to be Underwriters Laboratory (UL) Approved.
8. The game Yars' Revenge was released on Atari 2600 in May 1982 which was named by the programming by reversing the first name of Ray Kassar who was the CEO of Atari that time.
9. It was in July 1982 that "Atari Adventure Center" became the first arcade amusement center of Atari at California's Marriot Great America theme park.
10. "The Graduate" which was also known as "My First Computer" was announced on February 1983 which was an enhancement to the Atari 2600 game console that turned it into a basic computer system by adding a computer keyboard on top of the console.
11. The first home version of Galaga and Xevious was included in the 12 launching titles of Atari when it introduced their Atari 7800 Prosystem gaming console on 21 May 1984 giving the company its much-needed gaming console industry boost.
12. Atari launched on April 1985, their first update to the Atari 65XE which is an 8-bit computer.

References:

https://www.atari.com/history/1972-1984-0
https://www.edn.com/electronics-blogs/edn-moments/4376157/Atari-is-established--June-27--1972
https://en.wikipedia.org/wiki/Atari
https://www.phase3.net/1972-june-27th-atari-was-born-launching-the-video-game-industry/
https://www.wired.com/2012/06/atari-40th-anniversary/
https://www.youtube.com/watch?v=hl5P_Rc0zjo
https://www.youtube.com/watch?v=oxHjL2KtX4g