Assertion: full moon's effect | /r/HasProperty | happened after forest fires
Facets:
value: in canada
type: LOCATION
value: in sweden
type: LOCATION
value: in 1951
type: TEMPORAL
value: in 1950
type: TEMPORAL
Source sentences:
text: The effect can be caused by smoke or dust particles in the atmosphere, as has happened after forest fires in Sweden and Canada in 1950 and 1951, and after the eruption of Krakatoa in 1883, which caused the moon to appear blue for nearly two years.