At the time of the Pyrrhic War, the Roman army in the field consisted of four armies,[REF] each of which contained two legions of Roman citizens and two units of allies.
During the war against Hannibal, the Roman army came to number 23 legions[REF] including Roman citizens and Socii (in 212-211 BC), deployed in Italia, Illyricum, Sicily, Sardinia, Cisalpine Gaul and on the borders of Macedon.