Added introduction==

Also, the article lacks and opening paragraph. I added one, and I must say it's quite good.

"People's" and "German" deleted

I removed the sub-articles about the so-called "German Crusade" and the People's Crusade, both of which don't belong in an article about the First Crusade. In reality the labeling of Emerich's massacre of Jews as a Crusade is nothing more than bias. It had nothing to do with the Crusades.

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