This event has passed. ❮ All Events Xbox 20th Anniversary Celebration Microsoft will host the Xbox 20th Anniversary Celebration on November 15 at 10:00 a.m. PT / 1:00 p.m. ET. You will be able to watch it on YouTube, Twitch, Twitter, and Facebook.The celebration will not feature any new game announcements, but will look back at 20 years of Xbox. + Google Calendar+ Add to iCalendar