Will Eisner: First Comics

Comic book legend Will Eisner [in wikipedia] on the history of comics:

"Let me start by telling you how it was in the beginning. In the beginning, God made comics, and we drew on the walls of caves trying to tell everybody how we captured a mastodon that afternoon."
--Keynote Address, Will Eisner Symposium, 2004

image ^ National Geographic 6/2011 

WAR joins mastodon, slavery, torture, etc in editorial cartoon by Winsor McCay, "Oblivion's Cave—Step Right In, Please", March 19, 1922:

 Oh, if only....