Ancient observations of solar eclipses from many different cultures and civilizations date back to at least 2500 BC in the writings that have survived from ancient China and Babylon. To establish an accurate luni-solar calendar, people in ancient civilizations observed the moon regularly. Lunar eclipses were the first major celestial events that astrologers learned how to predict based on local historical observation records.  
     
  Index of Topics on the "Calendars and Eclipses" page    
     
       
   
       
  Index of Topics on the "Interpreting Eclipses" page    
     
       

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