It could be overthrow. Revolution and rebellion take more time, but power could still be seized.
Junta is undemocratic because if the government is unable to control the people, the military would step in, seize power, & form a new, harsher government.
John Brown in Harpers Ferry tried to seize a federal armory on behalf of his cause.
Megalomanic
It evaluates laws, executive orders, and policies and makes sure they're constitutional.
Vicuccu
usurp
Seize.
The noun form of the word "seize" is "seizure."
greece
The base of the word "usurpation" is "usurp". "Usurp" means to seize power or authority without legal right. "Usurpation" refers to the act of wrongfully seizing power or authority.
The word you are looking for is "seize."
Iran
In September 1917
The noun forms for the verb to seize are seizure and the gerund, seizing.
Seizure
The Bolsheviks did not seize power during the Russian Civil War. They had already seized governmental power from the Provisional Government in 1917. The civil war is generally figured to have started in 1918. The Bolsheviks managed to retain their power, not seize it, by winning the civil war.
1976