Not if you count the London bombings of 2007 or Madrid in 2004. The perpetrators were at least in part European citizens. In any case, it is one thing to have

Not if you count the London bombings of 2007 or Madrid in 2004. The perpetrators were at least in part European citizens. In any case, it is one thing to have stability in an affluent, post-religion area like Western Europe, quite another to have it worldwide. Many nations in the Mid East, for example, are comparable to medieval Europe - except that if the current regimes fall (as they might well, if oil loses its value) their subjects are more likely to create a Muslim Brotherhood-type regime than a liberal republic.