Development of the New Testament canon Development of the New Testament canon The canon of the New Testament is the set of books Christians regard as divinely inspired and constituting the New Testament of the Christian Bible. For most, it is an agreed-upon list of twenty-seven books that includes the Canonical Gospels, Acts, letters of the Apostles, and Revelation. The books of the canon of the New Testament were written before 120 AD. For the Orthodox, the recognition of these writings as authoritative was formalized in the Second Council of Trullan of 692. The Catholic Church made dogmatic definition upon its Biblical canon in 382 at
Bible translations in the Middle Ages full or partial translations into a vernacular language were uncommon until the Late Middle Ages and the Early Modern Period. The books of the Bible were not originally written in Latin. The Old Testament was written in Hebrew (with some parts in Greek and Aramaic) and the New Testament in Greek. The Septuagint, still used in the Greek Orthodox church, is a Jewish translation of the Old Testament into Koine Greek completed in the 1st century BC in Alexandria for Jews who spoke Greek as their primary language. The whole Christian Bible was therefore available in Koine Greek by about