As such, only a revolution could overthrow this new structure.

In 1893 and 1905 the party led unsuccessful revolutions to overthrow the government.

In 2011 a revolution calling for more freedom overthrew Mubarak.

An example could be where a revolution overthrows one hierarchical political system and replaces it with another.

The revolutions of 1989 overthrew the communist regimes in European countries.

For many on the left in Portugal, the 1974 revolution had overthrown both the dictatorship and those economic forces that had benefited from it.

The real fear that this revolution might overthrow the Tsar forced him to make some political concessions to appease the masses.

For example, a social revolution may overthrow a market economy and replace it with a self-managed participatory economy.

In March 1857, a revolution led by Benavídez overthrew Diaz.

When a liberal revolution overthrew the Czar in March 1917, this obstacle suddenly vanished, as war increasingly became the only choice left.