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Tilly, Johannes Tserklaes, count of

(Encyclopedia)Tilly, Johannes Tserklaes, count of yōhänˈəs tsĕrkläsˈ tĭlˈē [key], 1559–1632, general in Bavarian and later imperial service during the Thirty Years War. A younger son of a noble family o...

Rivera, Diego

(Encyclopedia)Rivera, Diego ᵺyāˈgō rēvāˈrä [key], 1886–1957, Mexican mural painter, studied as a youth with Posada and other Mexican painters; husband of Frida Kahlo. The native sculpture of Mexico deepl...

Nero

(Encyclopedia)Nero (Nero Claudius Caesar) nērˈō [key], a.d. 37–a.d. 68, Roman emperor (a.d. 54–a.d. 68). He was originally named Lucius Domitius Ahenobarbus and was the son of Cnaeus Domitius Ahenobarbus (co...

Catiline

(Encyclopedia)Catiline (Lucius Sergius Catilina) kătˈĭlīn [key], c.108 b.c.–62 b.c., Roman politician and conspirator. At first a conservative and a partisan of Sulla, he was praetor in 68 b.c. and governor o...

Xenophon

(Encyclopedia)Xenophon zĕnˈəfən [key], c.430 b.c.–c.355 b.c., Greek historian, b. Athens. He was one of the well-to-do young disciples of Socrates before leaving Athens to join the Greek force (the Ten Thousa...

North West Company

(Encyclopedia)North West Company, fur-trading organization in North America in the late 18th and early 19th cent.; it was composed of Montreal trading firms and fur traders. After 1810 the rivalry between the Nor...

Wittelsbach

(Encyclopedia)Wittelsbach vĭˈtəlsbäkh [key], German dynasty that ruled Bavaria from 1180 until 1918. The family takes its name from the ancestral castle of Wittelsbach in Upper Bavaria. In 1180 Holy Roman Emper...

Al Qaeda

(Encyclopedia)Al Qaeda or Al Qaida äl kīˈĕdə, käˈĭdä [key] [Arab.,=the base], Sunni Islamic terrorist organization with the stated goals of uniting all Muslims and establishing a transnational, strict-fund...

radar

(Encyclopedia)radar, system or technique for detecting the position, movement, and nature of a remote object by means of radio waves reflected from its surface. Although most radar units use microwave frequencies, ...

bin Laden, Osama

(Encyclopedia)bin Laden, Osama or Usama ōsäˈmə bĭn lädˈən, ŭsäˈmə [key], 1957?–2011, Saudi-born leader of Al Qaeda, a terrorist organization devoted to uniting all Muslims and establishing a transnati...