A "military coup" refers to a sudden and forceful takeover of a government by the military, usually without the consent of the existing leaders or the civilian population. Full definition
Historical romance thriller set against the Chilean military coup. (flicks.co.nz)
A third military coup took place in 1980 but within two years the military had turned the power back to the civilian government. (bookbrowse.com)
Unmarked graves are seen at the «Traitors» Cemetery», set up specifically to bury the bodies of coup plotters who died in the failed military coup of July 15, in Istanbul, Turkey, July 29, 2016. (fortune.com)