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drought

(Encyclopedia) drought, abnormally long period of insufficient rainfall. Drought cannot be defined in terms of inches of rainfall or number of days without rain, since it is determined by such…

ionosphere

(Encyclopedia) ionosphereionosphereīŏnˈəsfēr [key], series of concentric ionized layers forming part of the upper atmosphere of the earth from around 30 to 50 mi (50 to 80 km) to 250 to 370 mi (400…

Theodosius II

(Encyclopedia) Theodosius II, 401–50, Roman emperor of the East (408–50), son and successor of Arcadius. He preferred the study of theology and astronomy to public affairs, which he left to the…

Pentecost

(Encyclopedia) PentecostPentecostpĕnˈtəkôst [key] [Gr.,=fiftieth], important Jewish and Christian feast. The Jewish feast of Pentecost, in Hebrew Shavuot, the Feast of Weeks, one of the three…

Treaty of Ghent: Treaty of Ghent

Treaty of Ghent This treaty, signed on December 24, 1814, ended the War of 1812, fought between Great Britain and the United States. For the early decades of the nation’s history, relations…

Nobel Prize for Literature

The Most Famous Prize in Literature The Nobel Prize for Literature, one of the six international awards administered by the Nobel Foundation, honors outstanding achievement in letters. The estate…