Byzantine Empire Arms & Weapons

Overview

The Byzantine Empire (Eastern Roman Empire, 330–1453 CE) maintained continuous military organization from the late Roman period through the Middle Ages. While Europe's western kingdoms fragmented into feudal chaos after Rome's fall, Byzantium retained a professional army, sophisticated tactics, and advanced weapon technology. Byzantine military manuals (strategika) — including the Strategikon attributed to Emperor Maurice — provide some of the most detailed tactical literature of the early medieval world.

Signature Weapon: Greek Fire

Greek fire (hygron pyr — "liquid fire") was the Byzantine Empire's most feared and secret weapon. Deployed primarily by naval siphon-equipped ships, it:

• Burned intensely on water
• Could not be extinguished by water (possibly flammable only by water)
• Was projected as a stream or in clay grenades (cheirosiphon hand siphons)
• Proved decisive in repelling Arab naval sieges of Constantinople (674–678, 717–718)

The exact composition of Greek fire remains unknown; it was a closely guarded state secret. Theories include naphtha, quicklime, and various petroleum products.

Infantry Weapons

• Kontarion — Heavy thrusting lance; primary Byzantine infantry spear; 3–4 meters long
• Spathion — The Byzantine straight sword; descended from the Roman spatha; single or double-edged; used by both cavalry and infantry
• Paramerion — A curved single-edged sword adopted from contact with steppe peoples; used by cavalry
• Rhomphaia — A long cutting polearm; used by heavy infantry
• Menaulon — A shorter, heavier spear for use against cavalry

Cavalry: The Cataphract

The Byzantine cataphract was among the most heavily armored cavalry in the medieval world — both horse and rider were encased in iron lamellar armor. Armed with a kontarion lance and mace (for use when the lance broke or in a melee), cataphracts were a shock cavalry force of enormous power.

Ranged Weapons

• Composite bow — Byzantine cavalry and some infantry used powerful composite bows; Byzantine horse archers were effective at both firing from horseback and in the Parthian shot (firing backward while retreating)
• Crossbow (tzangra) — Adopted in the 10th–11th centuries; used by garrison troops and siege defenders

This article is a stub. Contributions covering specific campaigns, weapons, and Byzantine military organization are welcome.