During the 5th-7th century, the invasion of Roman Iberia by a succession of tribes from Central Europe - the Vandals, Suevi, Alans and Visigoths - left an indelible mark on Marvão and Lusitania as a whole. Hispano-Roman urban centres across Iberia suffered two centuries of instability, violence and depopulation, and many towns fell into ruin. Ammaia was no exception.