Wikipedia:Articles for deletion/Sparks Middle School Shooting (2nd nomination)
While  states that: "Events that have a noted and sourced permanent effect of historical significance are likely to be notable."  In other words, lasting impact is an indication of notability, not a prerequisite for having/keeping an article.  The more relevant policy is  in light of which deletion, let alone a 2nd AFD so soon, seems inappropriate
— User:E, 22:43, 2 December 2015 (UTC)
Stance: keep
Cited policy: WP:LASTING||WP:NOTTEMPORARY (Wikipedia:Notability)