Gregory XIII

Type Figure Region Papal States Time 1502–1585 Also known as Pope Gregory XIII、Gregory XIII、Ugo Boncompagni、教宗格列高利十三世

Gregory XIII (1502–1585), born Ugo Boncompagni, reigned as Roman pope from 1572 until his death in 1585.

Timeline

1581–1585Rome · Papal StatesFrom 1581 to 1585 Gregory XIII continued advancing curial reform: in 1582 he promulgated the Gregorian calendar to correct errors in the Julian calendar, gradually introducing it in Catholic countries across Europe; at the same time he expanded the Roman College, supported Jesuit missions worldwide, and intervened in the French Wars of Religion and maritime struggles against the Ottomans, consolidating the Catholic revival.

Encyclopaedia Britannica: Gregory XIII https://www.britannica.com/biography/Gregory-XIII
Catholic Encyclopedia: Pope Gregory XIII https://www.newadvent.org/cathen/06796a.htm