Christianity in the 11th century was the main religion of most people in Europe. Christianity was started by Jesus and it teaches people to love and care for one another and to do good things in their lives. In the 11th century most of the people in Europe went to church, listened to sermons, and followed the teachings of Christianity. The Bible was the main book used to learn about Christian beliefs and stories. People also prayed and worshiped in churches every week. People learned about God and followed his teachings, as well as helping out their neighbours and trying to care for one another.