Greek fire was allegedly invented by Callinicus of Heliopolis during the 7th century AD. Its use contributed to several battle victories for the Byzantine Greeks, who would launch the substance from their ships onto enemy fleets. Its formula was a fiercely guarded secret, and remained so even to the people who unleashed it upon their enemies.
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Key Facts In This Video
One account states that Greek fire was invented in 672 AD. 00:31
Greek fire allegedly helped the Byzantines destroy the Arab fleet during the first Siege of Constantinople. 00:57
Most historians agree that Greek fire had a petroleum base, but its exact composition remains unknown. 01:46