Battle of Gaugamela main Persian infantry was poorly trained and equipped in comparison to Alexander's pezhetairoi and hoplites. The only respectable infantry Darius had were his 2,000 Greek hoplites and his personal bodyguard, the 10,000 Immortals. The Greek mercenaries fought in a phalanx, armed not with a heavy shield but with spears no longer than three metres, while the spears of the Immortals were two metres long. Among the other Persian troops, the most heavily armed were the Armenians, who were armed the Greek way and probably fought as a phalanx. The rest of Darius' contingents were much more lightly armed; the main
Thracian warfare Thracian warfare The history of Thracian warfare spans from the 10th century BC up to the 1st century AD in the region defined by Ancient Greek and Latin historians as Thrace. It concerns the armed conflicts of the Thracian tribes and their kingdoms in the Balkans. Apart from conflicts between Thracians and neighboring nations and tribes, numerous wars were recorded among Thracian tribes. Instances of Thracian people engaging in armed conflict occur in the Iliad of Homer and in Greek mythology. The Greek Temenids ousted the Thracians from Pieria (later central Macedonia). The Thracians, prominent warriors who became allies of