Danube was in the time of Roman kingdom northern border of empire which the Roman legions several times overstepped but through which they had to return again to their own territory. Fourhundred years neighbourhood todays Slovak territory and Romans border of Pannonia had multifarious form. In the 173 Marcus Aurelius decided that Romans army penetrated again into barbarian territory. This time the army penetrated into our territory nearness confluence of Hron and Danube and progressed along the Hron. Quads let him to penetrate into theirs territory and on convenient locality where there wasn't water, they surrounded him. The summer sun inflamed...