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Scot, Michael

(Encyclopedia)Scot, Michael, c.1175–c.1234, medieval scholar, b. Scotland. He served as astrologer and physician at the court of Holy Roman Emperor Frederick II, where with other scholars he translated Aristotle ...

Swabian League

(Encyclopedia)Swabian League, association of Swabian cities and other powers in SW Germany for the protection of trade and for regional peace. The Swabian League of 1488–1534 is the best known of the long series ...

Guibert of Ravenna

(Encyclopedia)Guibert of Ravenna gwĭbˈərt, gēbĕrˈ [key], d. 1100, Italian churchman, antipope (1080–1100) Clement III, b. Parma. As imperial chancellor of Italy (1057–63), he consistently supported the Ho...

Constantine VI, Byzantine emperor

(Encyclopedia)Constantine VI, b. c.770, Byzantine emperor (780–97), son and successor of Leo IV. His mother, Irene, was regent until 790, when she was deposed by a military revolt. Constantine recalled her in 792...

Quedlinburg

(Encyclopedia)Quedlinburg kvādˈlēnbo͝orkh [key], city (1994 pop. 26,853), Saxony-Anhalt, central Germany, at the foot of the lower Harz Mts. It is an industrial center and an agricultural market. Manufactures i...

Cambrai, Treaty of

(Encyclopedia)Cambrai, Treaty of, called the Ladies' Peace, treaty negotiated and signed in 1529 by Louise of Savoy, representing her son Francis I of France, and Margaret of Austria, representing her nephew Holy R...

Wettingen

(Encyclopedia)Wettingen vĕtˈĭng-ən [key], town (1990 pop. 17,706), Aargau canton, N Switzerland. It is the site of the Zürich power station and of industries that produce textiles and metal goods. In the town ...

Vehmgericht

(Encyclopedia)Vehmgericht fāˈmĭk [key], in medieval Germany, a type of criminal tribunal. The inability of the Holy Roman emperors to exercise effective central control over their lands and the extensive feudal ...

Leo VI, Byzantine emperor

(Encyclopedia)Leo VI (Leo the Wise or Leo the Philosopher), 862?–912, Byzantine emperor (886–912), son and successor of Basil I. He added to the work of his father by the publication (887–93) of the Basilica,...

Constantine IV, Byzantine emperor

(Encyclopedia)Constantine IV, c.652–685, Byzantine emperor (668–85), son and successor of Constans II. He defended Constantinople against the annual naval attacks of the Muslims, who finally withdrew in 678; Gr...