A commander-in-chief is the commander of a nation's military forces or significant element of those forces. In the latter case, the force element may be defined as those forces within a particular region or those forces which are associated by function. As a practical term it refers to the military competencies that reside in a nation-state's executive, head of state or government. Often, a given country's commander-in-chief need not be or have b...
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A commander-in-chief is the commander of a nation's military forces or significant element of those forces. In the latter case, the force element may be defined as those forces within a particular region or those forces which are associated by function. As a practical term it refers to the military competencies that reside in a nation-state's executive, head of state or government. Often, a given country's commander-in-chief need not be or have been a commissioned officer or even a veteran, and it is by this legal statute that civilian control of the military is realized in states where it is constitutionally required.
The term "commander-in-chief" derives from the Latin imperator. Imperatores (commanders-in-chief) of the Roman Republic and Roman Empire possessed imperium (command) powers. In its modern usage, the term was first used by King Charles of England in 1639. A nation's head of state usually holds the position of national commander-in-chief, even if effective executive power...
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