Star Wars Celebration is a large fan convention held to celebrate the Star Wars franchise. The event is usually held annually (with a few exceptions) in varying locations around the world, and commonly features a host of Star Wars project announcements, panel discussions featuring actors, producers and writers, screenings, exhibits, cosplay and merchandise sales. It began in 1999, when Lucasfilm held the first Star Wars Celebration in Denver, Colorado to celebrate the upcoming release of Star Wars: Episode I – The Phantom Menace. Overview. Events. Celebration I.
https://en.wikipedia.org/wiki/Star_Wars_Celebration