The Roman Empire had many assaults with barbarian tribes for countries, but around 300s the tribes had attack beyond the Empire's Borders. Germanic tribesmen took advantage of the civil wars and went deep into the empire. Roman cities began to build walls for protection. In the fourth century, with the creation of Hun's dynasty, the Germanic's tribes were forced to emigrate toward Roman Empire. The Roman's allowed the tribes to cross south of Danube but for their safety, the Rome's treated the tribes with cruelty. In addition , they created a dangerous enemy on their own territory. When the situation became chaotic for the tribes , they revolted and killed the Eastern Emperor Valens during the Battle of Adrianople in A.D 378. In 476, a powerful the Germanic leader named Odoacer, organized a revolt and deposed the Emperor Romulus Augustulus. From that time , The Roman Empire lost their influence in Italy and many other