Pong debuted on this day in 1972 — Atari's pioneering CPU-less video arcade game’s creation was the result of an engineer training exercise

https://www.tomshardware.com/video-games/retro-gaming/pong-debuted-on-this-day-in-1972-ataris-pioneering-cpu-less-video-arcade-games-creation-was-the-result-of-an-engineer-training-exercise