Assertion: roswell incident | /r/AtLocation | december
Facets:
value: at kecksburg
type: LOCATION
value: at pennsylvania
type: LOCATION
Source sentences:
text: The Kecksburg UFO incident occurred on December 9, 1965, at Kecksburg, Pennsylvania, United States in North America, when a fireball was reported by citizens of six U.S. states and Canada over Detroit, Michigan and Windsor, Canada.