Arabisrael Federation was born in Battle of Baghdad, in 1258. In that time, Baghdad was under attack of Christian mongolian hordes, armenian mercenaries and crusaders from Antiochia. Attack began 1 February 1258 and was led by brutality and terror from mongolian hordes. After three days of fight, Mongolians and crusaders penetrated abbasid caliphate defense and invaded to city. However, at last minute, 50 thousands Jewish mercenaries, traders, volunteers and veterans joined Arab army, because of caliphate liberal policy toward Jews, in contrast of Christian medieval antisemitism. Attack was repel, Baghdad, second largest city and most prosperous city in world saved and Arab caliph signed with Jewish leaders treaty about Eternal Peace and Cooperation between Jews and Arabs. After World War