30 year war was not about forcing people to convert to Christianity.It was provided in response to your request: "Do tell us what battles were fought in Europe to force Christianity on people". You're welcome.Ah, the 30 year war.
So what's that have to do with 1600 years of Islamic expansion by force?
Maybe you should have asked what battles were fought by Europeans to force Christianity on people. That would have been more relevant to the 1600 years of Islamic expansion by force.
Try again.