The Magnetic Compass
First built for divination; it guided ocean navigation only ~1,300 years later, in Song China.
Invented in China during the Han Dynasty, the first compasses were made of lodestone, a naturally magnetized ore of iron. They were originally used for geomancy and fortune-telling (Feng Shui) before being adapted for maritime navigation in the 11th century.
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- Early Chinese compasses took the shape of a polished magnetic spoon spinning on a flat bronze plate.
- Before the compass, sailors had to strictly navigate by landmarks, the position of the sun, and the stars. If it was a cloudy day out on the open ocean, you were completely lost.
- The compass eventually made its way to Europe, enabling the Age of Discovery and the mapping of the entire globe.
Frequently Asked Questions
What was The Magnetic Compass?
Invented in China during the Han Dynasty, the first compasses were made of lodestone, a naturally magnetized ore of iron. They were originally used for geomancy and fortune-telling (Feng Shui) before being adapted for maritime navigation in the 11th century.
When did The Magnetic Compass happen?
The Magnetic Compass: c. 200 BCE.
Why does The Magnetic Compass matter?
First built for divination; it guided ocean navigation only ~1,300 years later, in Song China.
Sources & Further Reading
Cite This Page
AskHistoryAI. “The Magnetic Compass.” AskHistoryAI — Interactive Timeline of Everything. Updated 2026-09-11. https://askhistoryai.com/event/inv-compass/
Every fact on this page is checked against the published fact ledger and methodology; sources are listed above.