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Arrowheads are a subcategory of projectile points. True stone age arrowheads originated in North America less than 2 thousand years ago, but projectile points are found as old as 10,000 years. Projectile point is a better title and should contain the material now in Arrowhead (stone age). PAR ( talk) 17:34, 6 October 2009 (UTC) reply

As the article is now, it'd be better named "Pointy Rocks of the United States of America". Came looking for information on first use of spears and arrows; left disappointed. DewiMorgan ( talk) 22:49, 11 August 2018 (UTC) reply