Greek fire

E76419

Byzantine weapon incendiary weapon

Greek fire was a notorious incendiary weapon of the medieval Byzantine navy, capable of burning even on water and used to devastating effect in naval warfare.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (1)

Label	Occurrences
Greek fire canonical	6

How this entity was disambiguated

This entity first appeared as the object of triple T610929 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Greek fire
Context triple: [Byzantine Empire, usedWeapon, Greek fire]

A. Athenian navy
The Athenian navy was the powerful maritime force of ancient Athens that dominated the Aegean Sea, enabled the city’s commercial and imperial expansion, and played a decisive role in the Greco-Persian and Peloponnesian Wars.
B. Typhonomachy
Typhonomachy is the mythological battle in Greek lore between Zeus and the monstrous giant Typhon, often seen as a sequel or counterpart to the Titanomachy.
C. Catana
Catana is the ancient name for the Greek colony and city now known as Catania, located on the eastern coast of Sicily.
D. Taphus
Taphus was the original name of the town that later became Charlotte Amalie, the capital of the U.S. Virgin Islands.
E. Noetus of Smyrna
Noetus of Smyrna was an early Christian theologian known for advocating modalism, the view that the Father, Son, and Holy Spirit are not distinct persons but different modes of one God.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Greek fire
Target entity description: Greek fire was a notorious incendiary weapon of the medieval Byzantine navy, capable of burning even on water and used to devastating effect in naval warfare.

A. Athenian navy
The Athenian navy was the powerful maritime force of ancient Athens that dominated the Aegean Sea, enabled the city’s commercial and imperial expansion, and played a decisive role in the Greco-Persian and Peloponnesian Wars.
B. Typhonomachy
Typhonomachy is the mythological battle in Greek lore between Zeus and the monstrous giant Typhon, often seen as a sequel or counterpart to the Titanomachy.
C. Catana
Catana is the ancient name for the Greek colony and city now known as Catania, located on the eastern coast of Sicily.
D. Taphus
Taphus was the original name of the town that later became Charlotte Amalie, the capital of the U.S. Virgin Islands.
E. Noetus of Smyrna
Noetus of Smyrna was an early Christian theologian known for advocating modalism, the view that the Father, Son, and Holy Spirit are not distinct persons but different modes of one God.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	Byzantine weapon ⓘ incendiary weapon ⓘ
associatedWith	Second Arab siege of Constantinople (717–718) ⓘ surface form: defense of Constantinople
culturalReputation	legendary Byzantine secret weapon ⓘ terrifying weapon ⓘ
deliveryMethod	earthenware pots ⓘ grenade-like containers ⓘ handheld projector ⓘ ship-mounted projector ⓘ siphon ⓘ
developedFor	naval defense ⓘ
developedIn	Byzantine Empire ⓘ
distinguishedBy	ability to burn on water ⓘ
distinguishedFrom	ordinary fire ⓘ
extinguishingMethod	covered with sand ⓘ covered with urine ⓘ covered with vinegar ⓘ
firstMajorUse	7th century ⓘ
formulaStatus	lost ⓘ
historicalImpact	contributed to Byzantine naval superiority ⓘ helped Byzantines repel sieges ⓘ
keyProperty	adhered to targets ⓘ continued burning on water surfaces ⓘ ignited on contact or during projection ⓘ
notableCharacteristic	burned on water ⓘ difficult to extinguish ⓘ highly flammable ⓘ projected as a liquid flame ⓘ
originLanguageName	Greek: πῦρ θαλάσσιον (sea fire) ⓘ Greek: πῦρ ῥωμαϊκόν (Roman fire) ⓘ
possibleComponent	naphtha ⓘ petroleum ⓘ pitch ⓘ resin ⓘ sulfur ⓘ
primaryTheater	Eastern Mediterranean ⓘ
relatedTo	incendiary mixtures ⓘ napalm ⓘ
secrecy	state secret of the Byzantine Empire ⓘ
timePeriod	Middle Ages ⓘ
usedAgainst	Arab fleets ⓘ enemy ships ⓘ siege targets ⓘ
usedBy	Byzantine Empire ⓘ Byzantine navy ⓘ
usedIn	naval warfare ⓘ
weaponType	chemical weapon in pre-modern sense ⓘ

How these facts were elicited

Referenced by (6)

Full triples — surface form annotated when it differs from this entity's canonical label.

Byzantine Empire → usedWeapon → Greek fire ⓘ

Byzantine navy → used → Greek fire ⓘ

Emperor Constantine IV → militaryInnovationUsed → Greek fire ⓘ

subject surface form: Constantine IV

Byzantine armed forces → usedEquipment → Greek fire ⓘ

Second Arab siege of Constantinople (717–718) → usedTechnology → Greek fire ⓘ

Constantine the Bearded → usedWeapon → Greek fire ⓘ