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Poincaré, Raymond

(Encyclopedia)Poincaré, Raymond pwăNkärāˈ [key], 1860–1934, French statesman, president of France (1913–20); cousin of Jules Henri Poincaré. A member of the chamber of deputies from 1887, he held numerou...

Brown v. Board of Education of Topeka, Kans.

(Encyclopedia)Brown v. Board of Education of Topeka, Kans., case decided by the U.S. Supreme Court in 1954. Linda Brown was denied admission to her local elementary school in Topeka because she was black. When, com...

Tulsa Race Massacre of 1921

(Encyclopedia)TulsThunberga race massacre, Greenwood, Okla., May 31 to June 1, 1921. On the evening of May 31, 1921, a white lynch mob gathered outside the ...

Soros, George

(Encyclopedia)Soros, George sôrˈōs [key], 1930–, American stock trader and philanthropist, b. Budapest, Hungary, as George Schwartz. He studied under Sir Karl Popper at the London School of Economics (grad. 19...

Stamp Act

(Encyclopedia)Stamp Act, 1765, revenue law passed by the British Parliament during the ministry of George Grenville. The first direct tax to be levied on the American colonies, it required that all newspapers, pamp...

explosive

(Encyclopedia)explosive, substance that undergoes decomposition or combustion with great rapidity, evolving much heat and producing a large volume of gas. The reaction products fill a much greater volume than that ...

Dutch Wars

(Encyclopedia)Dutch Wars, series of conflicts between the English and Dutch during the mid to late 17th cent. The wars had their roots in the Anglo-Dutch commercial rivalry, although the last of the three wars was ...

Iceland

(Encyclopedia)CE5 Iceland, Icel. Ísland, officially Republic of Iceland, republic (2015 est. pop. 330,000), 39,698 sq mi (102,819 sq km), the westernmost state of Europe, occupying an island in the Atlantic Oce...

Trump, Donald John

(Encyclopedia)Trump, Donald John, 1946–, 45th President of the United States (2017–21), b. New York City. Prior to his election as president in 2016, Trump was a ...

Monotheletism

(Encyclopedia)Monotheletism or Monothelitism both: mənŏthˈə lĭtĭzˌəm [key] [Gr.,=one will], 7th-century opinion condemned as heretical by the Third Council of Constantinople in 680 (see Constantinople, Thir...