Development of the Old Testament canon "Apocrypha" ("hidden"). To counter Luther's "heresy", the fourth session of the Catholic Council of Trent in 1546 confirmed that the deuterocanonical books were equally authoritative as the protocanonical in the Canon of Trent in the year Luther died. Following Jerome's "Veritas Hebraica" (truth of the Hebrew) principle, the Protestant Old Testament consists of the same books as the Hebrew Bible, but the order and division of the books are different. Protestants number the Old Testament books at 39, while the Hebrew Bible numbers the same books as 24. The Hebrew Bible counts Samuel, Kings, and Chronicles as one book each,
Old Testament as the Pentateuch and Deuteronomistic history and probably date from the 4th century BC. Chronicles, and Ezra–Nehemiah, were probably finished during the 3rd century BC. Catholic and Orthodox Old Testaments contain two (Catholic Old Testament) to four (Orthodox) Books of Maccabees, written in the 2nd and 1st centuries BC. These history books make up around half the total content of the Old Testament. Of the remainder, the books of the various prophets – Isaiah, Jeremiah, Ezekiel, and the twelve "minor prophets" – were written between the 8th and 6th centuries BC, with the exceptions of Jonah and Daniel, which were