Deletion of Massacre (2nd nomination)

Comment: high traffic of visits to this article is evidence that our core readership, students, read this stuff.  They do not go to Wiktionary, they go to English Wikipedia.  That by itself, is reason to keep it, IMHO.  However, I would keep this also based on |past precedent; we keep such 'concept' articles.  Please see, for example, Wikipedia:Articles for deletion/Religious violence, Wikipedia:Articles for deletion/Backroad, Wikipedia:Articles for deletion/Chaos, Wikipedia:Articles for deletion/Sisu, Wikipedia:Articles for deletion/Velleity, Wikipedia:Articles for deletion/Nursing in pakistan, and so forth.  The |consensus in the past has almost always to keep these types of articles, so to delete this one would probably require a complete re-write of 
Stance: keep
Cited policy: Wikipedia:Deletion policy (WP:OUTCOMES||WP:CCC||WP:GNG)