About Cao Lo
Cao Lo was a Vietnamese engineer.
Cao Lỗ (皐魯, also known as Cao Thông, Đô Lỗ, Thạch Thần, or Đại Than Đô Lỗ Thạch Thần) was a Vietnamese weaponry engineer and minister who lived during the reign of King An Dương Vương. According to mythology, he built a crossbow from the claw of a turtle god that can fire 300 arrows in a single shot.
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Important facts
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Frequently asked questions
Who was Cao Lo?
Vietnamese weapon designer
What was Cao Lo's occupation?
Cao Lo was an engineer.
What nationality was Cao Lo?
Cao Lo was Vietnamese.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Cao Lo. https://biography.guide/cao-lo/
MLA: "Cao Lo." Biography.guide, https://biography.guide/cao-lo/.
Chicago: "Cao Lo." Biography.guide. https://biography.guide/cao-lo/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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