History | Armenian Church Catholicosate of Cilicia
The Origin of the Armenian Church. The origin of the Armenian Church dates back to the Apostolic age. According to the ancient tradition, which is well supported by historical evidence, Christianity was preached in Armenia as early as the second half of the first century by the two disciples of Jesus Christ, namely, St. Thaddeus (John 14:2224) and St. Bartholomew (John .