I assume if you try and actually give them some evidence they will either simply ignore it, dismiss it, or say that it can't be right because it contradicts their religion.
So my advice, attack them with humour:
http://www.theonion.com/articles/sumeria...worl,2879/
So my advice, attack them with humour:
http://www.theonion.com/articles/sumeria...worl,2879/
A finite number of monkeys with a finite number of typewriters and a finite amount of time could eventually reproduce 4chan.