How far could a Roman Legion march in a day?

IIRC the Roman Army had hit its sweet spot at a 15-mile (~25km) march a day. They’d force march on occasion, but this was rarely before battle. They wanted their soldiers rested before battle.

What happened to the lost Roman legion?

The legion fought in various provinces of the late Roman Republic and early Roman Empire. It was stationed in Britain following the Roman invasion in 43 AD. The legion disappears from surviving Roman records after c. AD 120 and there is no extant account of what happened to it.

What made the Roman legions superior to other fighting forces?

This new legion formation was highly effective and easy to maneuver in the field. And it was these strategic advantages that made the Roman legions superior to other fighting forces. It also resulted in many victories for Rome. The Marian Reforms also introduced another crucial advantage for the leaders and citizens of Rome.

Why were Roman armies so difficult to defeat?

Fully trained and experienced Roman armies were difficult to defeat in battle. They practiced certain battle formations that gave them advantages in close quarters fighting. Their formations also allowed their men to rotate quickly and easily toward the front lines, so that there were always fresh combatants facing their enemies.

How did Roman army organizations evolve over time?

This evolved army organization, itself a highly developed system, was a huge part of the successes attributed to Roman army legions as the empire grew. Each new legion had its own number, and its own name and symbol. Often, these symbols were related to a crucial achievement or event in the legion’s past.

What was the size of a Roman legion?

A legion consisted of 4,000 to 6,000 professional Roman soldiers, called legionnaires, who were assisted in combat by several thousand auxiliary troops, usually contributed by local frontier tribes. However, one German tribe, the Batavians, contributed many auxiliary forces to several Roman armies.