Relics found from battle between Romans , Barbarians in third century . - The Roman Empire was a military empire that ruled the world for almost two thousand years and had its capital at Rome ( now called Constantinople ). Battlefield found by relic-hunters illegally searching for souvenirs of recent wars .
Relics found from battle between Romans , Barbarians in third century . Historians had thought Rome had given up control of northern Germany by then . Battlefield found by relic-hunters illegally searching for souvenirs of recent wars .