The Ascension of the Emissary was an event within the Bajoran civilization that occured in the 24th century. It was noted as the time when Kai Winn Adami died and saw the banishment of the Pah-wraiths as well as the Emissary of the Prophets, Benjamin Sisko, join the Prophets in the Celestial Temple. (DS9 - Mission Gamma novel: Twilight)