Assertion: american horse | /r/HasProperty | wounded in the battle of slim buttes
Facets:
value: on september
type: TEMPORAL
value: mortally
type: MANNER
Source sentences:
text: On September 9, 1876, American Horse the Elder was mortally wounded in the Battle of Slim Buttes fighting to protect his family and defending against the white invasion of the "Paha Sapa" Black Hills.