“How many generations does it take to make an un-aggressive human the natural way?”
Scandinavia - 800 A.D. to present.
England - 1960 to present.
Italy - 100 A.D. to 200 A.D. (correction)
America - 1960 to ????????
Islam - STILL GOING STRONG.
You must remember Gustavus Adolphus, that name would put it from 1721 until now.