The great prophet Eliyahu (Elijah) lived approximately in the Jewish year 3,000 (760 b.c.e.) and lived at a time when the Jews were greatly tempted by idol worship. He pitted himself against 450 priests of the Baal cult on Mount Carmel when he successfully demonstrated the veracity of G-d.
Taken by a fiery chariot, he was one of the seven saints who went into the next world alive. Tradition names Eliyahu as the one who will announce the advent of Moshiach.