Historical Events in Church Annals for March 30:
Cardinal Giacinto Boboni of the aristocratic Orsini family became Pope Celestine III and the 175th successor of Peter. He was one of the oldest to become Pope, being 85 years-old at the time of his election.
Start of the notorious Sicilian Vespers in Palermo in which over 8,000 Frenchmen were slaughtered.
Jews were exiled from Spain at the order of Queen Isabella and King Ferdinand, enforced by the Court of Inquisitions because of Jewish meddling in state affairs and insurrection against the Spanish Catholics.
King Henry VIII divorces Catherine of Aragon forcing the Church's hand with excommunication by Pope Clement VII four months later.