THE ROMAN WORLD: 80 B.C. TO A.D. 188 [n.m district) in Vespasian's reign and have left traces of their forts, it was Domitian who really consolidated this more northerly region. It is situated on the right bank of the Rhine immediately north of Mannheim. Domitian's motives were mixed. He wanted to continue his father's policies and he wanted to become known to the troops; unlike Vespasian and Titus he had had little chance for military distinction before his accession.