What happened to Britain’s lost Roman legion?

As the new blockbuster film The Eagle brings one of the great mysteries of Roman Britain to UK cinema screens, Miles Russell asks, what really befell the Legion of the Ninth?

A second-century AD relief showing troops of the Praetorian Guard. Historians are agreed that the Ninth Legion was annihilated; what they can't agree on is where. (Leemage/Corbis via Getty Images)

Want to read more?

Become a BBC History Magazine subscriber today to unlock all premium articles

Unlock now