No one knows exactly when gunpowder was invented. It was invented and used in China by9 centrys for firecrackers and incendiary devices thrown by a catapult.
Gunpowder has become more potent. Also the invention of smokeless powder helped a lot.
gunpowder compass printing
Gunpowder
gunpowder
The gunpowder was close to the fireworks because the china's made the fireworks.
The most important invention was gunpowder
Chinese
Gunpowder
it was good
Gunpowder
So you can fire a gun.
Gunpowder