To overthrow or overrule a government and replace it with another.he overthrow of a government by those who are governed
A sudden or drastic change, or a turning point in social or political institutions.
"On July 14, 1789, the storming of the Bastille launched the French revolution."
"The hatian Revolution and its Impact on the Americas"-Michel Rolf Trouillot
"If man does find the solution for world peace it will be the most revolutionary reversal of his record we have ever known." [George C. Marshall http://www.quotationspage.com/quotes/George_C._Marshall] (1880-1959)
[[Image:Taking of the Bastille, revolution.jpg|thumb|right|This picture shows burning buildings, men fighting with guns. Men killing eacgh other with bricks, guns, and spears.Buildings collasping.