Mercenary units and formations of antiquity

thumb|Agrianes|Agrianian peltas. This peltast holds three javelins, one in his throwing hand and two in his pelte (shield) hand as additional ammunition. A peltast (, ) was a type of light infantry originating in Thrace and Paeonia and named after the kind of shield they carried. Thucydides mentions the Thracian peltasts, while Xenophon in the Anabasis distinguishes the Thracian and Greek peltast troops.

thumb|A recreation of Roman legionaries wearing the lorica segmentata, 1st–3rd century. Other equipment in view include the galea (helmet), [[pilum (spear) and scutum (shield)]] The Roman legionary (in Latin legionarius; : legionarii) was a citizen soldier of the Roman army. These soldiers would conquer and defend the territories of ancient Rome during the Republic and Principate eras, alongside auxiliary and cavalry detachments. At its height, Roman Legionnaires were viewed as the foremost fighting force in the Roman world, with commentators such as Vegetius praising their fighting effectiven

group of mercenary units, mainly Greek, drawn up by Cyrus the Younger to attempt to wrest the throne of the Persian Empire from his brother, Artaxerxes II

thumb|Coin minted under Mamertine rule, depicting a warrior

The Gaesatae or Gaesati (Latin Gaesati, Greek Γαισάται) were a group of Gallic mercenary warriors who lived in Transalpine regions and near the river Rhône in the 3rd century BC. They fought against the Roman Republic at the Battle of Telamon in 225 BC, and later in 221 BC.

thumb|right|Approximate location of the Thyni|307x307px The Thyni (; ) were a Thracian tribe that lived in south-eastern Thrace. The Thyni were closely related to the Bithynians, with whom they often exchanged troops and royal marriages, later a section of the Thyni, along with the Bithyni, migrated to the area in Asia Minor that would later be known as and Bithynia, and where they would later be conquered by the Lydian and Persian empires. Each respective region (Thynia and Bithynia) got its name, presumably, from the Thracian tribe that was more prominent in the area. Xenophon (Anabasis VII,

Dii is also the plural of Latin Deus.

thumb|300px|A map of northern Roman Britain and the land between [[Hadrian's Wall and the Antonine Wall.]]

thumb|Fresco of an Ancient Macedonian army|ancient Macedonian soldier ([[thorakitai) wearing chainmail armor and bearing a thureos shield; 3rd century BC]] The thyreophoroi or thureophoroi (; : thureophoros/thyreophoros, θυρεοφόρος) were a type of infantry soldier, common in the 3rd to 1st centuries BC, who carried a large oval shield called a thyreos which had a type of metal strip boss and a central spine. They were armed with a long thrusting spear, javelins and a sword. They also usually wore an iron or bronze Macedonian helmet.