Norman conquest of southern Italy Ofanto near Cannae, the site of Hannibal's victory over the Romans in 216 BC, and the Battle of Cannae was a decisive Byzantine victory; Amatus wrote that only ten Normans survived from a contingent of 250. After the battle, Ranulf Drengot (one of the Norman survivors) was elected leader of their company. Boioannes protected his gains by building a fortress at the Apennine pass, guarding the entrance to the Apulian plain. In 1019 Troia (as the fortress was known) was garrisoned by Boioannes' Norman troops, an indication of Norman willingness to fight on either side. With Norman mercenaries on both
Ordona economic decline began during the 4th Century BC. The construction of defensive walls during this period suggests a period of battles with other centres in the region, probably comprising clashes with the Greek Hegemonic Cities in the territory, among them neighbouring Taranto. It passed over to the Romans, with the rest of Apulia, after the wars of the Greek-Messapian League, commanded by King Pirro of Epiro (280-275 BC). Herdonia was a protagonist during the Second Punic War (219-202 BC) and in particular, during the events linked to the war's most famous battle at Cannae on 2 August 216 BC. According