the studiotour.com - The E.T.Adventure - Universal Studios Hollywood

June 1982 - E.T. The Extra Terrestrial movie opens
1989 -Prework starts on the ET: The Adventure ride design, after Steven Spielberg is impressed by the Earthquake attraction.
?1991 – E.T. – The Adventure opens in Florida
March 1991 - A small fire in the E.T. Adventure show building in Hollywood is started by a welding torch. 5 are hurt.
June 1991 - E.T. – The Adventure opens in Hollywood
?date - E.T. - The Adventure is refurbished in Florida (Demolition and reconfiguration of existing show ride, maintenance platforms, and queue ramp areas for a total of $594,000 - from www.jk2.com)
March 31 2001 - E.T. - The Adventure opens in Osaka, Japan
2002 - 20th Anniversary of the movie's release - a digitally enhanced version was released in cinemas with FBI agents' guns replaced with walkie-talkies.
14 March 2003 - E.T. – The Adventure closes in Hollywood (but remains in Florida and Japan) to make room for Revenge of the Mummy.
March 2007 - 4 years and 16 days after the ride closed, a section of the set dressing from the preshow 'forest' area and an animatronic police officer are recycled in Universal's House of Horrors. The Wolfman's Forest is entirely dressed with fake foliage from The E.T. Adventure, and the animatronic figure is now dressed as the Phantom of the Opera!