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Paris, Congress of

(Encyclopedia)Paris, Congress of, 1856, conference held by representatives of France, Great Britain, the Ottoman Empire (Turkey), Sardinia, Russia, Austria, and Prussia to negotiate the peace after the Crimean War....

American Indian Movement

(Encyclopedia)American Indian Movement (AIM), Native American civil-rights activist organization, founded in 1968 to encourage self-determination among Native Americans and to establish international re...

iridium

(Encyclopedia)iridium ĭrĭdˈēəm [key], metallic chemical element; symbol Ir; at. no. 77; at. wt. 192.217; m.p. about 2,410℃; b.p. about 4,130℃; sp. gr. 22.55 at 20℃; valence +3 or +4. Iridium is a very ha...

Aqaba, Gulf of

(Encyclopedia)Aqaba, Gulf of, northeastern arm of the Red Sea, 118 mi (190 km) long and 10 to 15 mi (16.1 to 24.1 km) wide, between the Sinai and Arabian peninsulas; a part of the Great Rift Valley. The gulf, which...

Briand, Aristide

(Encyclopedia)Briand, Aristide ärēstēdˈ brēäNˈ [key], 1862–1932, French statesman. A lawyer and a Socialist, he entered (1902) the chamber of deputies and helped to draft and pass the law (1905) for separa...

Waldheim, Kurt

(Encyclopedia)Waldheim, Kurt ko͝ort vältˈhīm [key], 1918–2007, Austrian diplomat, secretary-general of the United Nations (1972–81) and president of Austria (1986–92). He entered diplomatic service after ...

Marx, Karl

(Encyclopedia)Marx, Karl, 1818–83, German social philosopher, the chief theorist of modern socialism and communism. In 1847 Marx joined the Communist League and with Engels wrote for it the famous Communist M...

Hague, The

(Encyclopedia)Hague, The hāg [key], Du. 's Gravenhage or Den Haag, Fr. La Haye, city (2020 pop. 545,838), ...

Niagara Falls, city, Canada

(Encyclopedia)Niagara Falls, city (1991 pop. 75,399), S Ont., Canada, on the Niagara River opposite Niagara Falls, N.Y. Formerly called Clifton, it is a port of entry, an important industrial city, and the home of ...

Nilsson, Birgit

(Encyclopedia)Nilsson, Birgit bĭrˈgĭt nĭlˈsôn [key], 1918–2005, Swedish soprano. Her powerful voice first came to international attention at the Munich Opera, where she was heard (1954–55) as Brünnhilde ...