Ultraman Gaia's World

It is in the events of this timeline the show Ultraman Gaia takes place.

About 500 years ago

 * Kijuro Mato predicts the attacks of the Radical Destruction Bringer.

2001

 * Gamu Takayama makes contact with the spirit of Ultraman.
 * C.O.V lands on Earth, for filling Kijuro Mato's predictions. And the initiation of XIG is allowed to commence.