Bad mistake. You could have let them take Milan and the retake it after the crusade has moved on. I thought excommunication was to be avoided by the rules of this campaign? And refusing trespassing rights is a 100% excommunication. Anyway, just a little comment..

I enjoy reading the excellent writeups, but I don't have talent for this myself and I don't know if my German MTW version would mess up the savegames if I participated.