panic measures
71Columbine High School massacre — Staff and students evacuat …
72Dred Scott v. Sandford — Scott v. Sandford Supreme Court of the United States Argued February 11–14, 1856 Reargued December 15 …
73Moscow theater hostage crisis — Coordinates: 55°43′33″N 37°40′24″E / 55.72583°N 37.67333°E / 55.72583; 37.67333 …
74Origins of the American Civil War — For events following South Carolina s declaration of secession from the Union, see Battle of Fort Sumter and American Civil War. The Battle of Fort Sumter was the first stage in a conflict that had been brewing for decades. The main explanation… …
75Depersonalization disorder — Classification and external resources ICD 10 F48.1 ICD 9 300.6 …
76Domestic sheep — taxobox name = Domestic sheep status = DOM image width = 250px image caption = A research flock at U.S. Sheep Experiment Station near Dubois, Idaho regnum = Animalia phylum = Chordata classis = Mammalia ordo = Artiodactyla familia = Bovidae… …
77Alzheimer's disease — Alzheimer redirects here. For other uses, see Alzheimer (disambiguation). Alzheimer s disease Classification and external resources …
78European Union — 1. an association of European nations formed in 1993 for the purpose of achieving political and economic integration. Formerly known as the European Economic Community, the European Union s member states are Austria, Belgium, Denmark, Finland,… …
79therapeutics — /ther euh pyooh tiks/, n. (used with a sing. v.) the branch of medicine concerned with the remedial treatment of disease. [1665 75; see THERAPEUTIC, ICS] * * * Treatment and care to combat disease or alleviate pain or injury. Its tools include… …
80Union of Soviet Socialist Republics — a former federal union of 15 constituent republics, in E Europe and W and N Asia, comprising the larger part of the former Russian Empire: dissolved in December 1991. 8,650,069 sq. mi. (22,402,200 sq. km). Cap.: Moscow. Also called Russia, Soviet …
