Good question. Initially, it may have been an accidental discovery. We cannot say for sure, since it was about 1000 years ago, and there are no records of the first discovery of it. We do know that is was used in fireworks and rockets before guns were created.
Gun Powder
The first gun powder-powered weapons.
gun powder and magnetic compasses
No he did not. He was doing alchemy and accidently made gunpowder.I'm pretty sure the Chinese invented gunpowder.
Gun Powder
tranda
Gun POWDER was invented by the Chinese
The Chinese in the 9th century.
Quite possible.
It was gunpowder.
Chinese
According to history, in the 9th century in China.