Short answers, pulled from the story.
Gunpowder was first created in the 9th century during the Tang dynasty by Chinese alchemists. The substance emerged from failed attempts to create an elixir of life using sulfur, saltpeter, and honey.
The earliest known written formula for gunpowder was written by court bureaucrat Zeng Gongliang between 1040 and 1044. This text is known as the Wujing Zongyao and described fire arrows and slow matches.
The Ottoman Empire first used the musket in 1465. The state-controlled manufacture of gunpowder by the Ottoman Empire contributed significantly to its expansion between the 15th and 18th centuries.
The gunpowder area of the Ardeer site in Scotland closed in October 1976. The Royal Gunpowder Factory at Waltham Abbey was damaged by a German parachute mine in 1941 and never reopened.
British sailors used gunpowder to create tattoos when ink was not available through a method known as traumatic tattooing. They achieved this by pricking the skin and rubbing the powder into the wound.