Chronology: The Nine Ages of History
The First Three Ages (-2400 - -900).
The Fourth Age (-900 - -400): The Prophetic Age.
The Fifth Age (-400 - 100): The First Age of Reason.
The Sixth Age (100 - 600): The Christian Age.
The Seventh Age (600 - 1100): The Islamic Age.
The Eighth Age (1100 - 1600): The Long Renaissance.
The Ninth Age (1600 - 2100): The Scientific Age.