Review the unit of the French history curriculum for 5e (ages 12–13), “Christendom and Islam (6th-13th centuries): worlds in contact,” with the questions from its lessons: “Byzantium, a Christian empire of the East”, “Charlemagne and Carolingian Europe”, “The birth and spread of Islam”, “Baghdad and learning in the Muslim world” and “Christendom and Islam: contacts and conflicts”.