Assertion: primitive firearm | /r/HasProperty | invented about 1250 ad
Facets:
value: in china
type: LOCATION
Source sentences:
text: The first primitive firearms were invented about 1250 AD in China when the man-portable fire lance (a bamboo or metal tube that could shoot ignited gunpowder) was combined with projectiles such as scrap metal, broken porcelain, or darts/arrows.