dec 9, 1979 - bally astrocade It was originally announced as the "Bally Home Library Computer" in October 1977 and initially made available for mail order in December 1977.
Description:
https://gamester81.com/history-of-consoles-bally-astrocade-1978/Added to timeline:
Date:
dec 9, 1979
Now
~ 45 years ago