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Conrad IV, ruler of the Holy Roman Empire

(Encyclopedia)Conrad IV, 1228–54, German king (1237–54), king of Sicily and of Jerusalem (1250–54), son of Holy Roman Emperor Frederick II. He was elected (1237) king of the Romans at his father's instigation...

Rudolf I

(Encyclopedia)Rudolf I or Rudolf of Hapsburg ro͞oˈdŏlf [key], 1218–91, German king (1273–91), first king of the Hapsburg dynasty. Rudolf's election as king ended the interregnum (1250–73), during which tim...

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...

Counter Reformation

(Encyclopedia)Counter Reformation, 16th-century reformation that arose largely in answer to the Protestant Reformation; sometimes called the Catholic Reformation. Although the Roman Catholic reformers shared the Pr...

Cyprian, Saint

(Encyclopedia)Cyprian, Saint sĭpˈrēən [key], 200?–258, Father of the Church, bishop of Carthage (c.248), and perhaps a disciple of Tertullian. Converted in his middle age, he rose quickly to become the most p...

Concordat of 1801

(Encyclopedia)Concordat of 1801, agreement between Napoleon Bonaparte and Pope Pius VII that reestablished the Roman Catholic Church in France. Napoleon took the initiative in negotiating this agreement; he recogni...

Cappadocia

(Encyclopedia)Cappadocia kăpədōˈshə [key], ancient region of Asia Minor, watered by the Halys River (the modern Kizil Irmak), in present E central Turkey. The name was applied at different times to territories...

Constantine, Russian grand duke

(Encyclopedia)Constantine (Konstantin Pavlovich) kənstəntyēnˈ pävˈləvĭch [key], 1779–1831, Russian grand duke, second son of Czar Paul I and brother of Alexander I and Nicholas I. On the death of Alexande...

Lysimachus

(Encyclopedia)Lysimachus līsĭmˈəkəs [key], c.355–281 b.c., Thessalian general of Alexander the Great. He was a commander in Alexander's fleet on the Hydaspes as well as his bodyguard. On Alexander's death (3...

Antipater, Macedonian general

(Encyclopedia)Antipater ăntĭpˈətər [key], d. 319 b.c., Macedonian general. He was one of the ablest and most trusted lieutenants of Philip II and was a friend and supporter of Alexander the Great. When Alexand...