scandium,
as long as you do not realize that Christian churches and many Christian sects are not in conformity with the teachings of Jesus as expressed in the new testament, your arguments remain a contradiction in themselves. In opposition to that, Islam is very much in conformity with the teachings of it's founder. You simply avoid to adress this major difference. Muhammad gave a textbook of how to act intolerant. Jesus did not, bot taught how not to be intolerant and aggressive. How can you compare these two by saying "Christianity did like Islam?" the church did like Islam. But the church was in violation of it's religion in doing so. Islam is violant becaue it IS in conformity with it's religion and ideology. You compare a true Islam of the present to a perverted chrstianity of the medieval. You compare things that are many centuries apart. And you ignore the difference in authenticity oin both factions.no wonder then that your argument does not make much sense.
Want to tell you that we moved beyond the medieval.

That'S why we have protestantism now. and no more inquisition. No inner-religious wars, as we had for centuries. A diverse theology. A multi-faced philosophy. Science. Arts of many kinds. Legal protection of females. You compare the present of Islam to the christian reality several hundred years ago (and even then christianity never acted as aggressive - and as successful in that aggression! - as Islam.) You think it is politically correct that if one says Islam acts intolerant today, one need also to say that Christianity acted or acts the same way. Your demand of justice in argujent here is basing on a quantitaive argument only, not a qualitative argument. And that is were your chain of thoughts becomes weak from.
Islam's history is the history of the - by far - biggest, most expansive and most successful conquest of all times. It overcame all backsteps, all times of temporary defeat, it survived the Mongolian attack, it survived Spain, Vienna two times, the fall of the Osman empire. Not the mongoles can rival it. Not the Romans. Not the Chinese unification of kingdoms. Not the time of the fighting kingdoms in Japan. Not Alexandre. Not the empires of the European powers. None of these empires was as huge, as long-lasting as Islam is until today, and now Islam is expanding - again. the only thing that is different is that this time it does not try with military means in the first.
So again, please pay attention to the difference between Jesus' teachings and the NT, and the church not being in conformity with this, and Islam and it's teachings, both of which ARe in conformity. That the church acted violent when abusing it's religion hardly can be a counterargument in order to put a violent Islam into relation when it is acting in conformity with it's rules. there are qualitative and decisive differences, no matter if they are considered to be politically correct or not.
"Tolerance towards an evil is a crime." (Thomas Mann) Thanks again for that, AL!