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4 天前 · Kentucky (1908) Brown v. Board of Education of Topeka, 347 U.S. 483 (1954), [1] was a landmark decision of the U.S. Supreme Court ruling that U.S. state laws establishing racial segregation in public schools are unconstitutional, even if the segregated schools are otherwise equal in quality. The decision partially overruled the Court's 1896 ...
1 天前 · Edward III (13 November 1312 – 21 June 1377), also known as Edward of Windsor before his accession, was King of England from January 1327 until his death in 1377. He is noted for his military success and for restoring royal authority after the disastrous and unorthodox reign of his father, Edward II. Edward III transformed the Kingdom of ...
1 天前 · George Washington, a key Founding Father, was commanding general of the Continental Army during the Revolutionary War and a Revolutionary hero, presided over the Constitutional Convention and became the nation's first president in April 1789. The Founding Fathers of the United States, commonly referred to as the Founding Fathers, were a group of late-18th-century American revolutionary leaders ...
3 天前 · Down syndrome or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability, and characteristic physical features. [1] [12] There are three types of Down syndrome, the ...
15 小時前 · Juneteenth, officially Juneteenth National Independence Day, is a federal holiday in the United States.It is celebrated annually on June 19 to commemorate the ending of slavery.The holiday's name is a portmanteau of the words "June" and "nineteenth", as it was on June 19, 1865, when Major General Gordon Granger ordered the final enforcement of the Emancipation Proclamation in Texas at the end ...
2 天前 · The word psychopathy is a joining of the Greek words psyche ( ψυχή) "soul" and pathos ( πάθος) "suffering, feeling". [17] The first documented use is from 1847 in Germany as psychopatisch, [18] and the noun psychopath has been traced to 1885. [19] In medicine, patho- has a more specific meaning of disease (Thus pathology has meant the ...
3 天前 · The history of scientific method considers changes in the methodology of scientific inquiry, as distinct from the history of science itself. The development of rules for scientific reasoning has not been straightforward; scientific method has been the subject of intense and recurring debate throughout the history of science, and eminent natural philosophers and scientists have argued for the ...
