Assertion: sword | /r/MadeOf | steel
Facets:
value: after the arrival of europeans
type: TEMPORAL
Source sentences:
text: The swords commonly in use in Europe in the Middle Ages were made of steel.
text: After the arrival of Europeans, the blades were made of steel or iron.
text: Middle of the first side: The characters show the sword was made of steel and can repel an enemy.
text: Swords were still very much in use by the Tang period (618-907 CE) where blades became even shorter and were made of steel.