Knightly Piety same time protect non-combatants. The movement promised severe punishments to those who broke this law. However, it was met with mixed success. In 1095, Pope Urban II preached the First Crusade at Clermont. Here, the Church officially sanctioned lay knights fighting for the Faith when Urban said that any who fought would be absolved of their sins rather than tarnish their soul for killing. By this time knights were already concerned with their immortal soul enough to fight for the Church. By the time the Church began to accept warfare and create the idea of a holy war, piety had
Erlembald had to ceded his rights in Milan to Pope Gregory VII. Gregory confirmed Atto and lent his support to Erlembald. At this, the height of his power, an unfortunate fire broke out in the city and was interpreted as divine punishment for supporting the controversial "pataria". The opposition factions in Milan signed a pact against Erlembald. He put down the revolt, but was killed in the battle and buried in S. Celso. From 6 to 26 May in 1095, Pope Urban II was present at Milan for the transferral of the relics of the canonised Erlembald to S. Dionigi. He