The United States Constitution was ratified September 17, 1789, and the anniversary is observed Friday, September 16, 2016.
"No, the Constitution Isn't Outdated" article at Daily Signal:
10 on-line resources for the Constitution from Constitution Center:
From archives (.gov):
Constitutional Studies by Rob Natelson at Independence Institute in Denver:
Liberty Day Institute has distributed pocket Constitutions and other resources to 5th grade classrooms in Colorado (and other states?) for several years. Always looking for support.