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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...

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...

Regulus, in Roman history

(Encyclopedia)Regulus (Marcus Atilius Regulus) rĕgˈyo͝oləs [key], d. c.250 b.c., Roman general in the First Punic War. While consul (267 b.c.) he conquered the Sallentini and captured Brundisium (now Brindisi)....

pragmatic sanction

(Encyclopedia)pragmatic sanction, decision of state dealing with a matter of great importance to a community or a whole state and having the force of fundamental law. The term originated in Roman law and was used o...

Ems dispatch

(Encyclopedia)Ems dispatch, 1870, communication between King William of Prussia (later German Emperor William I) and his premier, Otto von Bismarck. In June, 1870, the throne of Spain was offered to Prince Leopold ...