It's Sonic The Hedgehog's 30th Anniversary, And Sega Is Hosting A Virtual Celebration Sega released a fan appreciation video and will hold an event to announce future Sonic the Hedgehog news. June 23 marks Sonic the Hedgehog's 30th anniversary, and Sega will celebrate Sonic's legacy and the franchise's multiple spin-offs with a fan appreciation video and a virtual event called Sonic Central. Taking place on May 27 at 9 AM PT / 12 PM ET, Sonic Central will feature Sega's Sonic team, special guests, and new announcements about future Sonic projects, partnerships, and more. Viewers can access the stream on the official Sonic the Hedgehog YouTube and Twitch channels. Ahead of Sonic Central, Sega also released a celebratory video titled Unstoppable--a fan appreciation video that takes a trip down memory lane.