Crusades:
1. Massacre at Ayyadieh
2. Rhineland massacres
3. The Massacre of Jerusalem

Ever hear of the Spanish Inquisition?

Christian Persecution of Jews:

https://www.ushmm.org/research/about-the-mandel-center/initiatives/ethics-religion-holocaust/articles-and-resources/christian-persecution-of-jews-over-the-centuries/christian-persecution-of-jews-over-the-centuries





Yeah that's enough. Your point is made.  I see you. 

Please continue 

What was wrong with the Crusades?

Hitler opinion of Jews is no different from Islam opinion of Jews 

Does an empty stomach make people more or less violent? Does the west need to raise threat levels during Ramadan? 
