Assertion: supernova | /r/HasProperty | observed by various civilizations
Facets:
value: widely
type: DEGREE
value: from different places on earth
type: LOCATION
Source sentences:
text: Between April 30 and May 1 of the year 1006, the brightest stellar event ever recorded in history occurred: a supernova, or stellar explosion, that was widely observed by various civilizations from different places on Earth.