This site lists what it calls the 25 worst wikipedia blunders.
http://www DOT bestcollegesonline DOT com/blog/2009/02/10/25-biggest-blunders-in-wikipedia-history/
c'mon, there have to be others that are worse or "better" 
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I love that site. I use it constantly. 
I thought Sinbad was dead. Seriously. Appears I was hoaxed, but I didn't hear about it on Wiki.
		
		
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