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Throughout our history, humans have tried to organize our lives around the movements of the sun and the stars. Calendars through the Ages visitors are often interested in learning more about the myriad ways we and our ancestors have counted the days. These items from Amazon might be of interest, as might the books, calendars, sundials, and telescopes through linked on the right.

Kindle: Amazon's Original Wireless Reading Device (1st generation)Calendar: Humanity's Epic Struggle to Determine a True and Accurate YearThe Jewish Calendar 5769: 2008-2009 Engagement Calendar
Kindle: Amazon's Original Wireless Reading ...
Calendar: Humanity's Epic Struggle to Deter...
by David Ewing Duncan
$11.48
The Jewish Calendar 5769: 2008-2009 Engagem...
by New York Jewish Museum
AZTEC CALENDAR Belt Buckle Mayan Mexico Toltec DesignCalendar for Year 23 of the Reign of Emperor Guang Xu 1897 Giclee Poster Print by Chinese School, 18x24Wool tapestry, 'Ancient Calendar'
AZTEC CALENDAR Belt Buckle Mayan Mexico Tol...
$15.95
Calendar for Year 23 of the Reign of Empero...
$64.99
Wool tapestry, 'Ancient Calendar'
Ancient Mexican Calendar Giclee Poster Print by C. Du Bosc, 18x24Large Aztec Solar Calendar Wall plaque Museum ReproductionToltec Atlantean Warrior Standing Statue
Ancient Mexican Calendar Giclee Poster Prin...
$49.99
Large Aztec Solar Calendar Wall plaque Muse...
Toltec Atlantean Warrior Standing Statue
$37.17