Christians, today, will tell you Christianity is a living institution that changes to meet the needs of its followers. There were powerful people and circumstances down through the centuries that served to influence certain changes in doctrines and ceremonies. This book is the first in a series of books dedicated to the exploration of the history of the Christian Church and discovering the influences that shaped the doctrines of the present day phenomenon we refer to as Christianity. We will discover the origins, beliefs and growth of the various denominations that make up Christendom.