1. Christianity is considered the world's largest religion. 2. Followers of Christianity are called Catholics. 3. Christianity started in the 2nd century CE in a land called Palestine. 4. According to a 2010 survey, Brazil is the country with the largest number of Christians in the world. 5. Christianity was born in an era when Palestine was colonized by the Muslims. 6. Pontius Pilate was the first Roman Emperor to convert to Christianity.