Thaddeus of Edessa festival, and heard the preachings of John the Baptist (St. John the Forerunner). After being baptized by John the Baptist in the Jordan River, he remained in Palestine. He later met and became a follower of Jesus. He was chosen to be one of the seventy disciples, whom Jesus sent in pairs to preach in the cities and places. After Pentecost and the ascension of Jesus, Thaddeus started preaching the gospel in Mesopotamia, Syria and Persia. Thaddaeus ordained priests in Edessa, converted many to Christianity and built up the church there. He also went to Beirut to preach and founded
Historical Jesus of Roman authority. The existence of John the Baptist within the same time frame as Jesus, and his eventual execution by Herod Antipas is attested to by 1st-century historian Josephus and the overwhelming majority of modern scholars view Josephus' accounts of the activities of John the Baptist as authentic. One of the arguments in favor of the historicity of the Baptism of Jesus by John is the criterion of embarrassment, i.e. that it is a story which the early Christian Church would have never wanted to invent. Another argument used in favour of the historicity of the baptism is that