Question

what year was the weapon "gun" invented?

Answer 1

http://en.wikipedia.org/wiki/History_of_the_firearm

Answer 2

@MickeyMouseClubHouse

Answer 3

The firearm was originally invented in China during the 13th century AD, after the Chinese invented gunpowder during the 9th century AD.

Answer 4

The first device indentified as a gun was found in China around AD 1000
http://en.wikipedia.org/wiki/Gun