From
Reuters:
Another of the Pope's major achievements was to bring the Catholic Church to an historic rapprochement with Jews after 2,000 years of hostility when the Vatican formally recognized the state of Israel in 1993.
That led to the realization of a third dream in March 2000 when he made a long-desired trip to the Holy Land, visiting Israel and the Palestinian territories and calling for peace at every stop along the way.
In a momentous gesture that brought tears to many eyes, he left a personal note in the cracks of Judaism's sacred Western Wall in Jerusalem asking for forgiveness for the past sins of Christians against Jews.