the studiotour.com - Revenge of the Mummy - Universal Studios Hollywood

around 3000 BC - In Egypt, Imhotep is born and becomes the Pharaoh's chief architect, credited with a range of achievements including the construction of the Step Pyramid at Sakkara, one of the Seven Wonders of the World.
1842 - German Egyptologist Karl Richard Lepsius coins the term "Book of the Dead" when he translates and publishes the ancient texts.
1932 - The Mummy (directed by Karl Freund) released
1999 - The Mummy (directed by Stephen Sommers) released
2001 - The Mummy Returns (directed by Stephen Sommers) released
?date - Pre-production work starts on the attraction
2003, March 14 - The ET Adventure attraction closes and is removed from the show building to make way for The Revenge of the Mummy
2004, May 21 - Official opening of Revenge of the Mummy at Universal Studios Florida
2004, June 20 - Annual passholder preview of the ride (7am - 12 noon)
2004, June 21 - Annual passholder previews (8am - 12 noon)
2004, June 22 - Annual passholder previews (12pm - 6pm)
2004, June 25 - Official opening ceremony of the ride at Universal Studios Hollywood, attended by Brendan Fraser and Arnold Vosloo from The Mummy movies.
2006? - Video projection systems replaced resulting in brighter, clearer images.
2007, June - New cooling system installed for the preshow area.
2008 - The Mummy: Tomb of the Dragon Emperor (directed by Rob Cohen) released