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Shields were used for hunting long before they were used for warfare, partly for defense and partly for concealment in stalking game, and it is likely that the military shield evolved from that of the hunter and herdsman. The size and composition of shields varied greatly, depending on the tactical demands of the user. In general, the more effective the protection afforded by body armour, the smaller the shield; similarly, the longer the reach of the soldier’s weapon, the smaller his shield. The Greek hoplite, a heavy infantryman who fought in closely packed formation, acquired his name from the hoplon, a convex circular shield, approximately 3 feet (90 cm) in diameter, made of composite wood and bronze. It was carried on the left arm by means of a bronze strap that passed across the forearm and a rope looped around the inner rim with sufficient slack to be gripped in the fist. In the 4th century bce the soldier of the Roman Republic, who fought primarily with the spear, carried an oval shield, while the later imperial legionnaire, who closed in with a short sword, protected himself with the scutum, a large cylindrical shield of leather-clad wood that covered most of his body.

Body armour

Padded garments, and perhaps armour of hardened leather, preceded edged metal weapons. It was then a logical, if expensive, step to cast or forge small metal plates and sew them onto a protective garment. These provided real protection against arrow, spear, or mace, and the small scales, perforated for attachment, were a far less demanding technical challenge than even the simplest helmet. Armour of overlapping scales of bronze, laced together or sewn onto a backing of padded fabric, is well represented in pictorial evidence and burial items from Mesopotamia, Palestine, and Egypt from about 1500 bce, though its use was probably restricted to a small elite.

Bronze

By classical times, breastplates of bronze, at first beaten and then cast to the warrior’s individual shape, had become commonplace among heavy infantry and elite cavalry. Greaves, defenses for the lower leg, closely followed the breastplate. At first these were forged of bronze plates; some classical Greek examples were cast to such fine tolerances that they sprang open and could be snapped onto the calf. Defenses for more remote portions of the body, such as vambraces for the forearm and defenses for the ankle resembling spats, were included in Greek temple dedications, but they were probably not common in field service.

Bronze was the most common metal for body defenses well into the Iron Age, a consequence of the fact that it could be worked in large pieces without extended hand forging and careful tempering, while iron had to be forged from relatively small billets.

Mail

The first practical body armour of iron was mail, which made its appearance in Hellenistic times but became common only during the Roman Imperial period. (Bronze mail was impractical because of the insufficient strength of the alloy.) Mail, or chain mail, was made of small rings of iron, typically of one-half-inch diameter or less, linked into a protective fabric. The rings were fastened together in patterns of varying complexity depending on the degree of protection desired; in general, smaller, lighter rings fastened in dense, overlapping patterns meant lighter, better protection. The fabrication of mail was extremely labour-intensive. The earliest mail was made of hand-forged links, each individual link riveted together. Later, armourers used punches of hardened iron to cut rings from sheets: this reduced the labour involved and, hence, the cost.

A soldier standing guard in a Washington, D.C. street with the ruins of buildings that were destroyed during the riots that followed the assassination of Martin Luther King, Jr., April 8, 1968.
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The earliest evidence of mail is depicted on Greek sculpture and friezes dating from the 3rd century bce, though this kind of protection might be considerably older (there is some evidence that it might be of Celtic origin). Little else is known about the use of mail by the Greeks, but the Roman legionnaire was equipped with a lorica hamata, a mail shirt, from a very early date. Mail was extremely flexible and provided good protection against cutting and piercing weapons. Its main disadvantage was its weight, which tended to hang from the shoulders and waist. In addition, strips of mail tended to curl at the edges; the Romans solved this problem by lacing mail shoulder defenses to leather plates. In the 1st century ce the legionnaire’s mail shirt gave way to a segmented iron torso defense, the lorica segmentata.

Plate-iron armour

While some early forged bronze armour was technically plate, the introduction of the lorica segmentata heralded the production of practical plate armour on a large scale. In general, the term plate would imply a uniform thickness of metal, and only iron could provide reasonably effective protection with uniform thickness without excessive weight.

While the Republican legionnaire’s lorica hamata hung to the midthigh, his imperial successor’s lorica segmentata covered only the shoulders and torso. On the whole, classical plate armour probably provided better protection against smashing and heavy piercing blows, while a shirt of well-made mail covered more of the body and, hence, afforded better protection against slashing blows and missiles.

Offensive weaponry

Development of the offensive technology of war was not as constrained by technological and economic limitations as was defensive weaponry. Every significant offensive weapon was widely available, while defensive equipment of high quality was almost always confined to the elite. Perhaps as a consequence, a wide variety of individual offensive weapons appeared in antiquity. One of the most striking facets of ancient military technology is the early date by which individual weapons attained their form and the longevity of early offensive weapons concepts. Some of the weapons of antiquity disappeared as practical military implements in classical and medieval times, and all underwent modification, but, with the exception of the halberd and crossbow, virtually every significant pre-gunpowder weapon was known in antiquity.

The ax

Limitations on the strength of bronze and difficulties in casting and hafting restricted the ax at first to a relatively broad blade mortised into a handle at three points and secured with bindings or rivets. The hafting problem became acute as improvements in armour dictated longer, narrower blades designed primarily for piercing rather than cutting. This led to the development of socketed axes, in which the handle passed through a tubular hole cast in the ax head; both hole and head were tapered from front to rear to prevent the head from flying off. This far stronger hafting technique must have been accompanied by a significant improvement in the quality of the metal itself. The pace and timing of these developments varied enormously from place to place, depending on the local level of technology. Sumerian smiths were casting socketed ax heads with narrow piercing blades by 2500 bce, while simple mortise-and-tenon hafting was still being used in Egypt 1,000 years later.