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Christian IX

(Encyclopedia)Christian IX, 1818–1906, king of Denmark (1863–1906). A member of the cadet line of Sonderburg-Glücksburg, he succeeded Frederick VII, last of the direct line of Oldenburg. The London Conference ...

Mapp v. Ohio

(Encyclopedia)Mapp v. Ohio, case decided in 1961 by the U.S. Supreme Court. Dollree Mapp was convicted in a state court of possessing pornographic material in violation of Ohio law. Her conviction was obtained on t...

Rawlings, Jerry John

(Encyclopedia)Rawlings, Jerry John (Jeremiah John Rawlings), 1947–2020, Ghanaian political leader. Of Scottish and Ghanaian descent, Rawlings attended military schools throughout his early life, becoming a skille...

Breyer, Stephen Gerald

(Encyclopedia)Breyer, Stephen Gerald brīˈər [key], 1938–, associate justice of the U.S. Supreme Court ...

Constitutional Convention

(Encyclopedia)Constitutional Convention, in U.S. history, the 1787 meeting in which the Constitution of the United States was drawn up. The convention at Philadelphia drew up one of the most influential document...

Comonfort, Ignacio

(Encyclopedia)Comonfort, Ignacio ēgnäˈsyō kōmōnfôrtˈ [key], 1812–63, Mexican general and president (1855–58). He was one of the leaders in the Revolution of Ayutla, which in 1855 overthrew Santa Anna an...

Federalist, The

(Encyclopedia)Federalist, The, series of 85 political essays, sometimes called The Federalist Papers, written 1787–88 under the pseudonym “Publius.” Alexander Hamilton initiated the series with the immediate ...

Robinson, Charles

(Encyclopedia)Robinson, Charles, 1818–94, American politician, first governor of the state of Kansas (1861–63), b. Hardwick, Mass. He studied medicine and in 1849 he joined the gold rush to California, where th...

direction finder

(Encyclopedia)direction finder, electronic device used to determine the position of a ship or aircraft. In a simple direction finder a radio receiver is equipped with a revolving directional antenna. The antenna re...

chronometer

(Encyclopedia)chronometer krənŏmˈətər [key], instrument for keeping highly accurate time, used especially in navigation. Before the advent of radio time signals it was the only device that provided the time ac...