Cohort (military unit)

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A cohort (from the Latin cohors, pl.: cohortes) was a standard tactical military unit of a Roman legion. Although the standard size changed with time and situation, it was generally composed of 480 soldiers. A cohort is considered to be the equivalent of a modern military battalion. The cohort was the most important tactical unit in the Roman army. They could operate independently and offered flexibility and maneuverability, allowing the legions to quickly adapt to different combat situations. The cohort replaced the maniple. From the late second century BC and until the middle of the third century AD, ten cohorts (about 5,000 men total) made up a legion. Cohorts were named "first cohort", "second cohort", etc. The first cohort consisted of experienced legionaries, while the legionaries in the tenth cohort were less experienced.

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