1 gen 900 anni - Invention of gunpowder

Descrizione:

Gunpowder, a mixture of saltpeter, sulfur, and charcoal, was invented in ancient China around the 9th century CE by alchemists seeking an elixir of life, though it was initially used for medicinal and later for military purposes. During the tang dynasty 8th century-9th century AD when gunpowder was ignited it made a powerful explosive effect.

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