Assertion: human's tool | /r/HasProperty | introduced in the levant
Facets:
value: around 54 kya
type: TEMPORAL
Source sentences:
text: Whatever the case, what seems most significant is that once blade-based tools, similar though not identical to those later used by the Cro-Magnons, were introduced in the Levant around 54 kya, the Neanderthals rapidly disappeared.