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In about 1040 AD in china gun powder was discovered by mistakenly spilling Potassium Nitrate in charcoal and it flared up in the man's face. Then in the 1500s it was starting to be used in rockets like the hwacha. Later it was developed for use in cannons and fire arms but as far as we know the first illustration of what seems to be ordinance is dated back to around 1326.

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15y ago

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