One of the most legendary legions in the history of the Roman military was the Legio

Nonum Hispana, or the ninth Spanish Legion. They served under Pompey the Great, and later

with Julius Caesar and Gaul. They served Emperor Augustus and were pivotal in the conquest of

Britain under the Emperor Claudius. And then, at some point, they simply disappeared. There

was never a mention of them again in the historical record.

And for almost 2,000 years, it's been one of the world's greatest historical mysteries.

Learn more about the missing legion and what might have happened to them on this episode of Everything Everywhere Daily.

Music Where Daily.

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In a previous episode, I covered how Roman armies worked.

The base unit of the Roman military was the Legion. A Roman Legion typically consisted of about 5 to 6,000 soldiers. The number could vary based on the Legion, the circumstances

in the period in history, but 5 to 6,000 was the historical average. In addition to the core

infantry forces, a Legion also included support personnel,

such as engineers, clerks, medics, blacksmiths, and animal handlers, as well as a small cavalry unit.

When auxiliaries, who are non-citizen troops attached to the legions were included, the total

fighting force associated with the Legion could exceed 10,000 men.

And on top of that, estimates suggests that for every legionary

soldier, there may have been at least one and possibly as many as two civilians. The civilians may

have included legionnaires, unofficial wives or concubines, children, merchants, prostitutes, and even

...