Greek fire
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| This article is part of the series on the military of the Byzantine Empire, 330–1453 AD | |
| Structural history | |
|---|---|
| Byzantine army: East Roman army, Middle Byzantine army (themes • tagmata • Hetaireia), Komnenian-era army (pronoia), Palaiologan-era army (allagia) • Varangian Guard • Generals (Magister militum • Domestic of the Schools • Grand Domestic • Stratopedarches • Protostrator) | |
| Byzantine navy: Greek fire • Dromon • Admirals (Droungarios of the Fleet • Megas doux) | |
| Campaign history | |
| Lists of wars, revolts and civil wars, and battles | |
| Strategy and tactics | |
| Tactics • Siege warfare • Military manuals • Fortifications (Walls of Constantinople) | |
Greek fire was an incendiary weapon used by the Eastern Roman (Byzantine) Empire. The Byzantines typically used it in naval battles to great effect, as it could continue burning while floating on water. It provided a technological advantage and was responsible for many key Byzantine military victories, most notably the salvation of Constantinople from two Arab sieges, thus securing the Empire's survival.
The impression made by Greek fire on the western European Crusaders was such that the name was applied to any sort of incendiary weapon, including those used by Arabs, the Chinese, and the Mongols. These, however, were different mixtures and not the Byzantine formula, which was a closely guarded state secret. Byzantine use of incendiary mixtures was distinguished by the use of pressurized nozzles or siphōn to project the liquid onto the enemy.
Although usage of the term "Greek fire" has been general in English and most other languages since the Crusades, original Byzantine sources called the substance a variety of names, such as "sea fire" (Medieval Greek: πῦρ θαλάσσιον pŷr thalássion), "Roman fire" (πῦρ ῥωμαϊκόν pŷr rhōmaïkón), "war fire" (πολεμικὸν πῦρ polemikòn pŷr), "liquid fire" (ὑγρὸν πῦρ hygròn pŷr), "sticky fire" (πῦρ κολλητικόν pŷr kollētikón) or "manufactured fire" (πῦρ σκευαστόν pŷr skeuastón).
The composition of Greek fire is unknown. It remains a matter of speculation and debate, with various proposals including combinations of pine resin, naphtha, quicklime, calcium phosphide, sulfur, or niter.
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