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History (derived from Ancient Greek ἱστορία (historía) 'inquiry; knowledge acquired by investigation') [1] is the systematic study and documentation of the human past. [2] [3] The period of events before the invention of writing systems is considered prehistory. [4] ". History" is an umbrella term comprising past events as well as the ...
human history. 1. The complete narrative of humanity's past, generally as reckoned from the emergence of anatomically modern humans c. 300,000 years ago to the present day (though sometimes inclusive of much earlier periods in human evolution ), and thereby encompassing both prehistory and written history. 2.
The Historical Thesaurus of English ( HTE) is the largest thesaurus in the world. It is called a historical thesaurus as it arranges the whole vocabulary of English, from the earliest written records in Old English to the present, according to the first documented occurrence of a word in the entire history of the English language.
Human history. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers. They migrated out of Africa during the Last Glacial Period (Ice Age) and had populated most of the Earth by the time the Ice Age ended 12,000 years ago. Soon afterward, the Agricultural Revolution began in the fertile river valleys ...
A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where you can find different words with same meanings to other words), sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.
Roget's Thesaurus is a widely used English-language thesaurus, created in 1805 by Peter Mark Roget (1779–1869), British physician, natural theologian and lexicographer. History [ edit ] It was released to the public on 29 April 1852.
Herodotus ( c. 484 – c. 425 BC) was a Greek historian who lived in the fifth century BC and one of the earliest historians whose work survives. A historian is a person who studies and writes about the past and is regarded as an authority on it. [1] Historians are concerned with the continuous, methodical narrative and research of past events ...
While the "marriage" didn't last, it was biggest corporate merger in history at the time. 2006: America Online drops its old name to officially become AOL and no longer charges for email services ...