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Frederick I, elector of Brandenburg

(Encyclopedia)Frederick I, 1371–1440, elector of Brandenburg (1415–40), first of the Hohenzollerns (see Hohenzollern, family) to rule Brandenburg. As Frederick VI, burgrave of Nuremburg, he served under King Si...

Lombard League

(Encyclopedia)Lombard League, an alliance formed in 1167 among the communes of Lombardy to resist Holy Roman Emperor Frederick I when he attempted to assert his imperial authority in Lombardy. Previously the commun...

Otho, Marcus Salvius

(Encyclopedia)Otho, Marcus Salvius ōˈthō [key], a.d. 32–a.d. 69, Roman emperor (Jan.–April, a.d. 69). He was a friend of Nero, and his wife, Poppaea Sabina, became Nero's mistress; Otho was repaid (a.d. 58) ...

Avitus

(Encyclopedia)Avitus əvīˈtəs [key], d. 456?, Roman emperor of the West (455–56). He was proclaimed emperor in Gaul with the support of the Visigoths but was deposed by Ricimer. He was elected bishop of Placen...

Acarnania

(Encyclopedia)Acarnania ăkˌərnāˈnēə [key], region of ancient Greece, between the Achelous River and the Ionian Sea. The chief city was Stratos. The Acarnanians sided with Athens during the Peloponnesian War,...

Silistra

(Encyclopedia)Silistra sĭlĭˈsträ [key], town (1993 pop. 48,287), NE Bulgaria, a port on the Danube River bordering Romania. Products include textiles, furniture, foodstuffs, and bricks. The Roman Durostorum, it...

Prespa, Lake

(Encyclopedia)Prespa, Lake prĕsˈpä [key], Albanian Prespës, Macedonian Prespansko, 112 sq mi (290 sq km), SW North Macedonia, NW Greece, and E Albania; highest lake (alt. 2,798 ft/853 m) of the Balkans. It is c...

Mercier, Désiré Joseph

(Encyclopedia)Mercier, Désiré Joseph dāzērāˈ zhôzĕfˈ mârsēāˈ [key], 1851–1926, Belgian churchman, cardinal of the Roman Catholic Church. He was ordained in 1874 and eight years later became professor...

Tula , city, Russia

(Encyclopedia)Tula to͞oˈlə [key], city (1991 pop. 545,000), capital of Tula region, N central European Russia, on the Upa River, a tributary of the Oka. It is an important rail and highway hub and a manufacturin...

Yeager, Chuck

(Encyclopedia)Yeager, Chuck (Charles Elwood Yeager) yāˈgər [key], 1923–2020, American aviator, b. Myra, W.Va. An ace fighter pilot during World War II, he was a military test pilot during the early postwar yea...