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
San Joaquin River watershed's four largest cities: Fresno, Bakersfield, Stockton and Modesto. Seven major tributaries flow directly into the San Joaquin River, all of which run from the Sierra Nevada westwards into the main stem. In addition, some of the discharge of the Kings River also enters the San Joaquin directly (but seasonally) through a distributary. Of these, the Tuolumne River is the largest in any respect: longest, greatest drainage basin, and highest discharge. The Merced River is the second largest by length and drainage basin, but the Mokelumne River has a greater flow. Tributaries are listed below proceeding from the mouth upstream,