History
 

150

World

General

Population: Between 190 and 230 million*
  • Geography: Claudius Ptolemy completes Geographia
  • Medicine: Physician galen travels to Alexandria to study anatomy and publishes concept of humors (phlegm, blood, and biles)
  • Science: Ptolmey writes Harmonics

Americas

  • Mexico: Sun Temple built at Teotihuacán

Asia

  • General: Huns control central Asia
  • India: Earliest known Sanskrit writings

Europe

Pacific

  • New Zealand: Eruption



 
 
 
 
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