A counter-revolutionary or an anti-revolutionary is anyone who opposes or resists a revolution, particularly one who acts after a revolution in order to try to overturn it or reverse its course, in full or in part. The adjective "counter-revolutionary" pertains to movements that would restore the state of affairs, or the principles, that prevailed during a prerevolutionary era.
The War in the Vendée was a royalist uprising against revolutionary France in 1793–1796.
Red Army troops attack Kronstadt sailors in March 1921.
In political science, a revolution is a rapid, fundamental transformation of a society's state, class, ethnic or religious structures. A revolution involves the attempted change in political regimes, substantial mass mobilization, and efforts to force change through non-institutionalized means.
A Watt steam engine in Madrid. The development of the steam engine propelled the Industrial Revolution in Britain and the world. The steam engine was created to pump water from coal mines, enabling them to be deepened beyond groundwater levels.
The storming of the Bastille, 14 July 1789 during the French Revolution.
Vladimir Lenin, leader of the Bolshevik Revolution of 1917.
Sun Yat-sen, leader of the Chinese Xinhai Revolution in 1911.