1 jan 850 ano - Gunpower

Descrição:

Gunpowder was invented in 9th-century China as one of the Four Great Inventions, and spread throughout most parts of Eurasia by the end of the 13th century.[3] Originally developed by the Taoists for medicinal purposes, gunpowder was first used for warfare about 904 AD.

https://en.wikipedia.org/wiki/Gunpowder

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