- 
  
  Breach between Eastern and Western Churches.
 Church leaders could not agree on details of the religious orders of Christianity therefore there was a division between the Greek and the Latin leaders.
- 
  
  First crusade called by Pope Urban II.
- 
  
  
- 
  
  Duke Godfrey and his crusaders arrive at Jerusalem. Muslims and Jews alike were killed as he fought to retake Jerusalem.
- 
  
  The fighting was intense. There was no mercy for those who were not Christian at this time in the holy land. They fought in the name of Chirst in a most unchristian way. In thier minds they were justified for thier actions.
- 
  
  Announced by Pope Eugene the III. Led by European kings. This crusade ended in a victory for the Muslims.
- 
  
  Muslims defeated the Chirstian crusaders and retook Jesusalem which was then once again under Muslim reign. This prompted the third crusade.
- 
  
  
- 
  
  
- 
  
  
- 
  
  Fifth crusade
- 
  
  Francis Assissi camped between the two armies of the Christians and the Muslims for an attempt at peace which was unsuccessful.
- 
  
  St. Francis was so moved by his experience at the attempting of peace between the Christians and the Muslims that he wrote a book in which he devoted a chapter to the topic of living alongside the Muslims. He stated Christians should remain silent about the Qur'an and about Muhammad.
- 
  
  Seventh crusade= Muslim victory
- 
  
  Call to torture and execution by Pople Innocent IV for those who are among the heretics.
- 
  
  James I of Aragon's illegetimate sons went on to attack Jerusalem on the "Crusade of the Infants" as it was called. They achieved nothing, as their attack was never implemented.
- 
  
  Crusaders lost control of Acre to the Muslims
- 
  
  Roman Catholic church Division
