The Church choose to use the Greek (Septuagint) because this was the most popular version at the time of Christ and was most likely the same version which Christ and His disciples used. This is further substantiated by the fact that the majority of O.T. quotations found in the N.T. are from the Septuagint. To be precise, there were 340 places in the NT where quotes from the Septuagint are found as opposed to just 33 places where quotes from the Hebrew cannon are found. The Septuagint was completed between 250-125 BC where as the Hebrew canon wasn’t established until approximately 100 AD.
In 393 AD the Church officially decided which books to include in the canon of the Bible. This was done at the council of Hippo. Then in 397 AD at the council of Carthage, the Church again affirmed it’s decision.
Now, fast-forward to 1529 AD and we find Martin Luther proposing to re-invent the Bible using the Hebrew canon. Luther preferred the Hebrew canon because it contained 7 fewer books (Wisdom, Sirach, Judith, Baruch, Tobit, and 1 & 2 Maccabees were not in the Hebrew canon). These books were problematic for Luther on issues such as purgatory (especially 1 & 2 Maccabees). Luther attempted to also remove several other books of the Catholic Bible (James, Esther, and Revelation) but his supporters did not look favorably on these other books being removed so Luther relented.
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