(Johannes Gratianus) died 1048, German ecclesiastic: pope 1045–46.
- Gregory VII
noun 1. Saint (Hildebrand) c1020–85, Italian ecclesiastic: pope 1073–85. noun 1. Saint, monastic name Hildebrand. ?1020-–85, pope (1073–85), who did much to reform abuses in the Church. His assertion of papal supremacy and his prohibition (1075) of lay investiture was opposed by the Holy Roman Emperor Henry IV, whom he excommunicated (1076). He was driven […]
- Gregory X
noun 1. (Teobaldo Visconti) c1210–76, Italian ecclesiastic: pope 1271–76.
- Gregory XI
noun 1. (Pierre Roger de Beaufort) 1330–78, French ecclesiastic: pope 1370–78.
- Gregory XIII
noun 1. (Ugo Buoncompagni) 1502–85, Italian ecclesiastic: pope 1572–85, educator and innovator of the modern calendar. noun 1. 1502–85, pope (1572–85). He promoted the Counter-Reformation and founded seminaries. His reformed (Gregorian) calendar was issued in 1582