Thomas the Apostle

Thomas the Apostle (Greek: Θωμᾶς, romanized: Thōmâs; Classical Syriac: ܬܐܘܡܐ, romanized: Tʾōmā, meaning 'the Twin'), also known as Didymus (Greek: Δίδυμος, romanized: Dídymos 'twin'), was one of the Twelve Apostles of Jesus according to the New Testament. Thomas is commonly known as "doubting Thomas" because he initially doubted the resurrection of Jesus when he was told of it (as is related in the Gospel of John); he later confessed his faith ("The lord of me and the God of me") on seeing the places where the wounds appeared still fresh on the holy body of Jesus after the Crucifixion of Jesus.

According to traditional accounts of the Saint Thomas Christians of Tamilakam (modern-day states of Tamil Nadu and Kerala) in India, Thomas travelled outside the Roman Empire to preach the Gospel, traveling as far as the modern states of Tamil Nadu and Kerala in South India, and eventually reached Muziris (modern-day North Paravur and Kodungalloor in Kerala State) in 52. He started the Church of the East in the region around the Van Province, Edessa, and Hakkari regions of Upper Mesopotamia (today southeast Turkey), presumably sometime between mid-late 30s and 45, and spent many years evangelizing both Jews and pagans in the area before heading further east in the late 40s. In 1258, some of the relics were brought to Ortona, in Abruzzo, Italy, where they have been held in the Church of Saint Thomas the Apostle. He is regarded as the patron saint of India among its Christian adherents, and the Feast of Saint Thomas on July 3 is celebrated as Indian Christians' Day. The name Thomas remains quite popular among the Saint Thomas Christians of the Indian subcontinent.

Many churches in the Middle East and southern Asia, besides India, also mention Apostle Thomas in their historical traditions as being the first evangelist to establish those churches, the Church of the East, as well as the early church of Sri Lanka.