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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 янв 850 г. - Gunpowder was invented in the 9th century
Описание:
It was invented by Chinese monks mixing saltpeter (potassium nitrate), sulfur, and charcoal, which burn rapidly and explode as a propellant
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Timeline of 10 great inventions!
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23 мар 2022
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1 янв 850 г.
Сейчас
~ 1176 г назад
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