Ancient Greek warfare and slingers ("sfendonitai") while archers ("toxotai") were rare, mainly from Crete, or mercenary non-Greek tribes (as at the crucial battle of Plataea 479 B.C.) Greek armies gradually downgraded the armor of the hoplites (to linen padded thorax and open helmets) to make the phalanx more flexible and upgraded the javelineers to lightly armored general purpose infantry ("thorakitai" and "thyreophoroi") with javelins and sometimes spears. Eventually, these types effectively complemented the Macedonian style phalanx which prevailed throughout Greece after Alexander the Great. Cavalry had always existed in Greek armies of the classical era but the cost of horses made it far
Thracian warfare endured between the 5th century BC and the 3rd century BC. The Odrysian state was the first Thracian kingdom that acquired power in the region, by the unification of many Thracian tribes under a single ruler, King Teres 5th century BC. It became involved in wars and military conflicts against the Romans, Greek colonies, the kingdom of Macedon and the Diadochi, the Persian Empire, Paeonians, Dacians, Celts, Scythians and Thracian tribes. Sometimes it was allied with various Ancient Greek tribes or Greek city states. During the Peloponnesian war, Thracians were the allies of Athens. The Thracians fought alongside Athenians and