Assertion: comet's tail | /r/CapableOf | represent the passage of halley's comet
Facets:
value: in 87 bce
type: TEMPORAL
Source sentences:
text: This appearance may be recalled in the representation of Tigranes the Great, an Armenian king who is depicted on coins with a crown that features, according to Vahe Gurzadyan and R. Vardanyan, "a star with a curved tail that may represent the passage of Halley's Comet in 87 BCE.