2h 4min, apr 11, 1976 y - Apple I
Description:
 In April 1976, the company "Apple" released their first and only "kit" computer, the "Apple I." The Apple I required that you separately purchase a keyboard, a power supply, and a case. 
Added to timeline:
Date:
2h 4min, apr 11, 1976 y
Now
 ~ 49 years ago