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It was originally used in flamethrowers (no joke), flame tipped arrows, and a “gunpowder-whip-arrow,” for which I can’t think of a modern equivalent.

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The first recorded formula for gunpowder was relatively tame as it was not capable of exploding but still very flammable.

By the 15th century though, they had perfected 6 formulas for gunpowder, some with up to 91% nitrate, the chemical that makes gunpowder go BOOM.

The Chinese ancients seem to have been some of the first who were concerned with burying their dead.

Chinese emphasis on showing respect for elders and ancestors by caring for your own body (which they provided you with by giving you life) was just as important as showing respect for theirs when they passed away.

The earliest existing example of woodblock printing is on a piece of hemp paper, dating from around 660 AD.