Thracian warfare In the 4th century BC, both infantry and cavalry troops started wearing helmets (some of leather) and some peltasts are seen with greaves. Principal weapons in the 4th century BC (as well as earlier) were the spear and short knife. Armor, when it was available (for the nobility), was at first leather or bronze but iron armour started appearing in the 4th century BC. Thracian cavalry would wear leather armor or no armor and would be armed with javelins, a bow, or a spear. Only royal cavalry would wear armor. Oval shields and peltes (even by heavy cavalry) were later
Ancient Macedonian army almost invariably part of any force on detached duty, especially missions requiring speed of movement. Other nationalities also provided peltasts for the Macedonian army. Especially numerous were the Thracians; the Thracian peltasts performed the same function in battle as the Agrianians, but for the left wing of the army. It is unclear if the Thracians, Paeonians, and Illyrians fighting as javelin throwers, slingers, and archers serving in Macedonian armies from the reign of Philip II onward were conscripted as allies via a treaty or were simply hired mercenaries. Peltasts were armed with a number of javelins and a sword, carried