Cuba threatened to start a war between the United states and the Soviet Union. The Cuban Missile Crisis was the closest the United States of america and the Soviet Union came closest to War. Ultimately it was resolved peacefully.
John of Leiden, was an Anabaptist leader from Leiden, in the Holy Roman Empire's County of Holland.
Many farmers lost their land when it was sold to the optimates
To spread their ideology to the world and to become undisputed