Assertion: sky lantern | /r/HasProperty | traced to the eastern han dynasty
Facets:
value: in china
type: LOCATION
value: thousands of years
type: TEMPORAL
Source sentences:
text: Sky lanterns can be traced back thousands of years to the Eastern Han Dynasty in China (25–220 C.E.), when the bright, floating objects were used not only as light sources but also to relay important military signals across long distances.