Christianity - World Religions Author:Don Nardo Christianity, which was founded 2,000 years ago, is the world’s largest religion, with thousands of diverse denominations. Each has somewhat different rituals and customs, but all have the same core beliefs based on the faith’s origins, beginning with the birth of Jesus Christ in ancient Palestine. Learn more about the rich history and tradition... more »s of Christianity and how the religion fits into today’s world in Christianity, part of the World Religions series.« less