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Otto II, Holy Roman emperor

(Encyclopedia)Otto II, 955–83, Holy Roman emperor (973–83) and German king (961–83), son and successor of Otto I. He was crowned joint emperor in 967. Shortly after his father died Otto faced a rebellion by h...

Boleslaus I

(Encyclopedia)Boleslaus I bōˈləslôs [key], c.966–1025, Polish ruler (992–1025), the first to call himself king; also called Boleslaus the Brave. He succeeded his father, Mieszko I, as duke of Poland, seized...

Hohenstaufen

(Encyclopedia)Hohenstaufen hōˌənshtouˈfən [key], German princely family, whose name is derived from the castle of Staufen built in 1077 by a Swabian count, Frederick. In 1079, Frederick married Agnes, daughter...

Lothair II

(Encyclopedia)Lothair II, also called Lothair III, 1075–1137, Holy Roman emperor (1133–37) and German king (1125–37); successor of Holy Roman Emperor Henry V. His predecessor invested him with the duchy of Sa...

Crépy, Treaty of

(Encyclopedia)Crépy, Treaty of krāpēˈ [key], 1544, concluded by Holy Roman Emperor Charles V and King Francis I of France at Crépy-en-Laonnois (formerly spelled Crespy), Aisne dept., N France. The emperor reno...

Maximilian II, 1527–76, Holy Roman emperor

(Encyclopedia)Maximilian II, 1527–76, Holy Roman emperor (1564–76), king of Bohemia (1562–76) and of Hungary (1563–76), son and successor of Holy Roman Emperor Ferdinand I. Before acceding he evidenced a sy...

Charles IV, Holy Roman emperor

(Encyclopedia)Charles IV, 1316–78, Holy Roman emperor (1355–78), German king (1347–78), and king of Bohemia (1346–78). The son of John of Luxemburg, Charles was educated at the French court and fought the E...

Otto III, Holy Roman emperor

(Encyclopedia)Otto III, 980–1002, Holy Roman emperor (996–1002) and German king (983–1002), son of Holy Roman Emperor Otto II and the Byzantine princess Theophano. On Otto's accession Henry the Wrangler, the ...

Albert I, Holy Roman Emperor

(Encyclopedia)Albert I, c.1250–1308, Holy Roman Emperor (1298–1308), son of Rudolf I. Albert was invested with Austria and Styria in 1282 by his father, who also hoped to secure the succession as king of the Ge...

Albert II, Holy Roman Emperor

(Encyclopedia)Albert II, 1397–1439, Holy Roman Emperor, king of Hungary and Bohemia (1438–39), duke of Austria (1404–38). He was the son-in-law of Holy Roman Emperor Sigismund, whom he aided against the Hussi...