Complex sentence: Ravaged by Vandals during the 5th century AD, the town was annexed in the 6th century to Justinian's Empire, in this period, the town was marked by dysentery, neglect of Bisanzio and the forays of pirates.
Split into simpler sentences: Ravaged by Vandals during the 5th century AD, the town was annexed in the 6th century to Justinian's Empire. In this period the town was marked by dysentery, neglect of Bisanzio and the forays of pirates.