Bloody Falls massacre
The Bloody Falls massacre was an incident believed to have taken place during Hudson Bay Company employee Samuel Hearne's exploration of the Coppermine River for copper deposits near modern-day Kugluktuk , Nunavut , Canada on 17 July 1771 . 
<triplet> Bloody Falls massacre <subj> Nunavut <obj> located in the administrative territorial entity <subj> 17 July 1771 <obj> point in time <triplet> Coppermine River <subj> Nunavut <obj> located in the administrative territorial entity