alteration, change, modification - an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago"

Cultural Revolution, Great Proletarian Cultural Revolution - a radical reform in China initiated by Mao Zedong in 1965 and carried out largely by the Red Guard; intended to eliminate counterrevolutionary elements in the government it resulted in purges of the intellectuals and socioeconomic chaos

green revolution - the introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity

counterrevolution - a revolution whose aim is to reverse the changes introduced by a previous revolution

group action - action taken by a group of people

American Revolution, American Revolutionary War, American War of Independence, War of American Independence - the revolution of the American colonies against Great Britain; 1775-1783

Chinese Revolution - the republican revolution against the Manchu dynasty in China; 1911-1912

Cuban Revolution - the revolution led by Fidel Castro and a small band of guerrilla fighters against a corrupt dictatorship in Cuba; 1956-1959

Bloodless Revolution, English Revolution, Glorious Revolution - the revolution against James II; there was little armed resistance to William and Mary in England although battles were fought in Scotland and Ireland (1688-1689)

French Revolution - the revolution in France against the Bourbons; 1789-1799

Mexican Revolution - 1910-1911

February Revolution, Russian Revolution - the revolution against the Czarist government which led to the abdication of Nicholas II and the creation of a provisional government in March 1917

turning, turn - a movement in a new direction; "the turning of the wind"

clockwise rotation, dextrorotation - rotation to the right

counterclockwise rotation, levorotation - rotation to the left

axial motion, axial rotation, roll - rotary motion of an object around its own axis; "wheels in axial rotation"

orbital motion, orbital rotation - motion of an object in an orbit around a fixed point; "satellites in orbital rotation"

spin - a swift whirling motion (usually of a missile)