Gunpowder, Facts, History, & Definition
Gunpowder, any of several low-explosive mixtures used as propelling charges in guns and as blasting agents. The first such explosive was black powder—a mixture of saltpeter (potassium nitrate), sulfur, and charcoal—which is thought to have originated in China, where it was being used in fireworks by the 10th century.
Gunpowder
History of gunpowder - Wikipedia
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Gunpowder Facts, History and Description
History of gunpowder - Wikipedia
Guide to Smokeless Powder
The History of Gunpowder - Gunpowder: Artificial Fire
History of Gunpowder: An In-Depth Overview
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Gunpowder Facts, History and Description
Gunpowder, Facts, History, & Definition
Gunpowder Plot, Definition, Summary, & Facts
History of gunpowder - Wikipedia
Gunpowder Plot, Definition, Summary, & Facts