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According to the Septuagint, employed by the Byzantine Empire of Christian Constantinople, Creation occurred c.5500 BC. (The Jewish Masoretic text removes c.2000 years, to remove mention, of the Christian era.)
Early Christians believed that God's "redemptive re-creation" of humankind began with Adam, and would take seven Divine days, each of a thousand years (Ps 94 = 2 Pet 3), and the last of which would be the Millennial Sabbath, of the Millennium Reign, of Christian Saints on earth, before the Second Coming & Judgement (Rev 20):
Thus, early Christians expected that the Millennium Reign would begin c.500 AD, and end c.1500 AD. I.e.
Indeed, the Church converted the pagan Roman empire to Christianity (Rev 19), in the 4th century AD, during the days of Constantine (legalized Christianity) and Theodosius (mandated Christianity). Thus, the Byzantine Empire fulfilled the ancient expectations, of Judeo-Christian Prophesies, when Christian Constantinople reigned, over the eastern Mediterranean, from the 5th - 15th centuries AD.
The Apostles preached a "Millennial Week" theology, and their predictions came to pass. The modern era is the "seven-and-a-halfth Divine day", after the "Millennial Sabbath" which is the "Millennium Reign", during the End Times (Rev 20:7-9), on the "Scriptural eve" of the Second Coming & Judgement (Rev 20:9+).
Seven day theory or seven thousand years from creation theory
Early Christians believed that God's "redemptive re-creation" of humankind began with Adam, and would take seven Divine days, each of a thousand years (Ps 94 = 2 Pet 3), and the last of which would be the Millennial Sabbath, of the Millennium Reign, of Christian Saints on earth, before the Second Coming & Judgement (Rev 20):
early Christians believed in a so-called Millennial Sabbath... that 6,000 years of human history would elapse, from the creation of Adam, before Christ’s millennial reign. At the end of 7,000 years God would form the new heavens and new earth. Numerous early Christians wrote about this concept... the early Christian and Jewish writers believed that the Bible taught that Christ would return to set up His kingdom at the end of six thousand years from the creation of Adam. During the first three hundred years of the Christian Era it was virtually the universal opinion of the early Christian writers that the apostles and the Bible taught that the six days of creation were a microcosm of the Great Week of six thousand years of man’s history.
(Peterson. Millennium Chronology.)
Thus, early Christians expected that the Millennium Reign would begin c.500 AD, and end c.1500 AD. I.e.
Millennium (Rev 20:1-6) = 5th - 15th centuries AD = Byzantine Empire
Indeed, the Church converted the pagan Roman empire to Christianity (Rev 19), in the 4th century AD, during the days of Constantine (legalized Christianity) and Theodosius (mandated Christianity). Thus, the Byzantine Empire fulfilled the ancient expectations, of Judeo-Christian Prophesies, when Christian Constantinople reigned, over the eastern Mediterranean, from the 5th - 15th centuries AD.
The Apostles preached a "Millennial Week" theology, and their predictions came to pass. The modern era is the "seven-and-a-halfth Divine day", after the "Millennial Sabbath" which is the "Millennium Reign", during the End Times (Rev 20:7-9), on the "Scriptural eve" of the Second Coming & Judgement (Rev 20:9+).
Seven day theory or seven thousand years from creation theory