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The Calendar: The 5000 Year Struggle To Align The Clock and the Heavens, and What Happened To The Missing Ten Days - David Ewing Duncan

The Calendar: The 5000 Year Struggle To Align The Clock and the Heavens, and What Happened To The Missing Ten Days

The Calendar: The 5000 Year Struggle To Align The Clock and the Heavens, and What Happened To The Missing Ten Days - David Ewing Duncan

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The Calendar: The 5000 Year Struggle To Align The Clock and the Heavens, and What Happened To The Missing Ten Days

The 5,000-year struggle to align the heavens with the clock and what happened to the missing ten days.

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