(Encyclopedia) French Revolutionary Wars, wars occurring in the era of the French Revolution and the beginning of the Napoleonic era, the decade of 1792–1802. The wars began as an effort to defend…
(Encyclopedia) World War I, 1914–18, also known as the Great War, conflict, chiefly in Europe, among most of the great Western powers. It was the largest war the world had yet seen.
World War I…
(Encyclopedia) Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW…
Most people are familiar with their state’s official flower and flag, but did you know that almost every state has an official fossil as well?
These state symbols are a representation of a territory…
(Encyclopedia) astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets, stars, and galaxies; more generally, the study of matter and energy in the…
(Encyclopedia) socialism, general term for the political and economic theory that advocates a system of collective or government ownership and management of the means of production and distribution…
Adrenaline: (isolation of) John Jacob Abel, U.S., 1897. Aerosol can: Erik Rotheim, Norway, 1926. Air brake: George Westinghouse, U.S., 1868. Air conditioning: Willis Carrier, U.S., 1911.…
(Encyclopedia) Socialist parties in European history, political organizations formed in European countries to achieve the goals of socialism.
The French Socialist party, known as the SFIO from…
(Encyclopedia)
CE5
Moon mission assembly
CE5
Stages in a moon mission shown counterclockwise from launching on the first day to splashdown on the ninth day.
space exploration, the…
