the earliest form of gunpowder was invented sometime around 800 1200 A.D. it was called serpentine powder which consists if potassium, charcoal, and sulfur. it was an unreliable form of black powder.
Gunpowder was invented by the Chinese sometime in the 9th century AD.
Insoles
It was invented in the 20th century
no. it was the... can anyone add plz!! The list I found said it was the Radio that was the best invention of the 20th century. Put it in related links.
20th
in da 20th century.
20th century
William Hoover invented the vacuum cleaner in the early 20th century.
The touch screen wasn't invented in the 21st century, it was invented in 1971, which is the 20th century.
your face it invented got it
Chinese developed gunpowder in the 9th century.Chinese also developed the compass between the 2nd century BC and 1st century AD.
YES, GLIDERS WERE INVENTED IN THE EIGHTEENTH CENTURY AND THE AIRCRAFTS WERE INVENTED IN EARLY OF 20TH CENTURY I.E. 1903.