mar 17, 2001 - The brand was first introduced in the United States in November 2001, with the launch of the original Xbox console. It reached over 24 million units sold by May 2006.
Description:
https://en.wikipedia.org/wiki/Xbox#:~:text=The%20brand%20was%20first%20introduced,units%20sold%20by%20May%202006.Added to timeline:
Date:
mar 17, 2001
Now
~ 24 years ago