Google.com was registered 20 years ago, on September 15, 1997, according to Icann, the organization that regulates domain names.
Google acknowledged the domain name milestone in a tweet on Friday:
Happy domain-iversary! Celebrating 20 years since we registered https://t.co/ePnBWEpWpj with a whooole lot of o's....
Google.com was created 20 years ago — here's what it looked like when it first launched (GOOG, GOOGL)
September 15, 2017