The history of the Mar Thoma Church is divided into three main eras viz. 1. Pre-Reformation 2. Reformation and 3. Post Reformation. Pre-Reformation Era St. Thomas, the Apostle of Jesus Christ is believed to have landed in AD 52 in Cranganore near Cochin, which was at that time an important seaport on the Malabar Coast, having trade connections with the Middle East in those days. F.E. Keay in his book, A History of the Syrian Church in India has established, from the mention in the book of Kings, of the articles brought to the court of King Solomon from India, that even before the time of Christ, there was trade between the Malabar Coast and Palestine in spices and luxury articles like ivory. Therefore, it was quite natural for Thomas to come to India with the Gospel as the disciples went to different parts of the world in accordance with the commission given to them by Jesus Christ. In the true Apostolic tradition he preached first to the Jewish settlers in and around Cochin, and then worked among the Hindus. Through the ministry of the Word and the many miracles which tradition attributes to him, he brought many high caste Hindus to the Christian faith. It is believed that he organized 7 Christians communities for the use of these Christians, and ordained presbyters from four leading families.