Assertion: gunpowder | /r/HasProperty | known in europe
Facets:
value: during the high middle ages
type: TEMPORAL
Source sentences:
text: Although gunpowder was known in Europe during the High Middle Ages due to the usage of guns and explosives by the Mongols and the Chinese firearms experts employed by the Mongols as mercenaries during the Mongol conquests of Europe, it was not until the Late Middle Ages that European versions of cannons were widely developed.
text: Sigrid Hunke, Gustave Le Bon and Dr. Ahmed Fanjari.others said that at least gunpowders three ingredints were known by Arabs or Europeans.