 The Romans built a military road in the 2nd century, milestone of Marcus Aurelius, Septimius Severus and Caracalla period were found in the region and in the 3rd century the Romans completed the Retica road.In 565 Venantius Fortunatus mentioned in his writings the "Saint Valentine" temple that later became a church; in the Middle Ages it was restored in Romanesque style, in 1500 in Gothic, then in Baroque.In the period of the barbaric migrations, approximately in 590 the region was invaded by Baiuvarii, the place declined, however 66 German Sovereigns of the Holy Roman Empire, from 960 to 1530 and among them, in 1154, Frederick I, also known as Barbarossa (meaning Red Beard), passed through Brenner as he headed towards the Pope in Rome.