The Day of the Barbarians

The Day of the Barbarians: The Battle That Led to the Fall of the Roman Empire is a 2007 nonfiction book by Alessandro Barbero about the Battle of Adrianople. After two centuries in which the "barbarians" were successfully integrated in the Roman Empire, a particular episode seems to set the end of this age. Due to corruption and bad organization of the migration phenomenon, the Roman Empire started its fall after this single-day battle, which saw the Goths immigrants taking over the Roman army.