What was the Roman legion?

Quick Answer

The Roman legion was the main heavy infantry unit of the Roman army. In the imperial period, a legion typically had around 5,000 to 6,000 soldiers.

The Full Story

The Roman legion was the backbone of Roman military power. It was made up mainly of citizen infantry organized into cohorts and centuries, with officers and supporting specialists. During the late Republic and early Empire, a legion usually numbered roughly 5,000 to 6,000 men, though exact sizes varied. Legions were highly disciplined, mobile, and adaptable, which helped Rome conquer and control a vast territory. Their standardized organization became one of the most famous features of Roman military history.

Key Facts

1.A legion usually had about 5,000 to 6,000 soldiers

2.It was organized into cohorts and centuries

3.Legions were central to Roman expansion

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