The crusades being those things in which Jews and Muslims were massacred.
Heh. Seems almost everyone makes the crusaders out to be these monsters who swept through the holy land murdering the natives left and right and just generally steamrolling over everything. Regardless of whether or not the first crusade was started on just grounds (a highly debatable subject, to be sure), I find it quite interesting that out of nine Crusades, the crusaders lost eight of them. Hardly the unstoppable barbarian hordes they're so often made out to be...