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Gregory XI

(Encyclopedia)Gregory XI, 1330–78, pope (1370–78), a Frenchman named Pierre Roger de Beaufort. He was the successor of Urban V, who had made an unsuccessful attempt to remove the papacy from Avignon to Rome (13...

Pius XI

(Encyclopedia)Pius XI, 1857–1939, pope (1922–39), an Italian named Achille Ratti, b. Desio, near Milan; successor of Benedict XV. Pius's pontificate was marked by great diplomatic activity and by many importa...

Clement XI, pope

(Encyclopedia)Clement XI, 1649–1721, pope (1700–1721), an Italian (b. Urbino) named Giovanni Francesco Albani; successor of Innocent XII. He was known in his youth for his prodigious learning and brilliance. He...

Constantine XI, Byzantine emperor

(Encyclopedia)Constantine XI (Constantine Palaeologus), d. 1453, last Byzantine emperor (1449–53), brother and successor of John VIII. To secure Western aid against the Turkish assault on what remained of the emp...

Muhammad XI, sultan of Granada

(Encyclopedia)Muhammad XI, d. 1538, last sultan of Granada in Spain (1482–92); also called Boabdil by the Spanish. He seized the throne from his father and thus plunged Granada into civil war at the time the Cast...

Charles XI, king of Sweden

(Encyclopedia)Charles XI, 1655–97, king of Sweden (1660–97), son and successor of Charles X. Charles ascended the throne at the age of five, so a council of regency ruled until 1672. The regency ended Swedish w...

Alfonso XI, Spanish king of Castile and León

(Encyclopedia)Alfonso XI, 1311–50, Spanish king of Castile and León (1312–50), son and successor of Ferdinand IV. His vigorous campaign against Granada provoked an invasion by the Moors from Morocco; they took...

Berenice, b. c.340 b.c., d. 281 or 271 b.c., consort and half-sister of Ptolemy I, king of ancient Egypt

(Encyclopedia)Berenice bĕrənīˈsē [key], b. c.340 b.c., d. 281 or 271 b.c., consort and half-sister of Ptolemy I, king of ancient Egypt. A Macedonian, she was the widow of Philip, one of the officers of Alexand...

Louis XI, king of France

(Encyclopedia)Louis XI, 1423–83, king of France (1461–83), son and successor of Charles VII. A born diplomat, Louis skillfully checked his foreign and domestic enemies and set up an efficient central administ...

Berenice, c.273–21 b.c., queen of ancient Cyrene and Egypt

(Encyclopedia)Berenice, c.273–21 b.c., queen of ancient Cyrene and Egypt. She was the daughter and successor of King Magas of Cyrene. In 247 b.c. she married Ptolemy III, thereby effectively annexing Cyrene to Eg...