Roman Catholic Diocese of Passau Lorch, a Roman station and an important stronghold at the junction of the Enns River and the Danube, Christianity found a foothold in the third century, during a period of Roman domination, and a Bishop of Lorch certainly existed in the fourth. During the great migrations, Christianity on the Danube was completely rooted out, and the Celtic and Roman population was annihilated or enslaved. In the region between the Lech River and the Enns, the wandering Bajuvari were converted to Christianity in the seventh century, while the Avari, to the east, remained pagan. The ecclesiastical organization of Bavaria was brought
Colombana nera of Colombana nera was likely in the posthumous work of the Italian viticulturist Giovan Vettorio Soderini that described a grape known as "San Colombane" growing in Tuscany and Emilia-Romagna in 1600. That early synonym and the grape's current name is believed to be taken from the Abbey of San Colombano in Bobbio where Colombana nera has a long history of being grown. The exact origin of Colombana nera is unknown but DNA evidence showing a parent-offspring relationship between the grape and the old Tuscan wine grape Mammolo suggest that Tuscany may be the variety's homeland. Colombana nera is a late