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General

Population: Between 190 and 230 million*

• Births: Chinese poet Ch'u Yuan (343 BC), Epicurus (342-340 BC)
• Commerce: Trade agreement between Rome and Carthage (348 BC)
• Entertainment: Aristotle lays foundations of musical theory (340 BC)
• Medicine: Difference between arteries and veins discovered by Praxagoras of Cos (340 BC)
• Deaths: Plato (347 BC), Greek sculptor Scopas (340 BC)

Africa

• Egypt: End of 30th House - native rulers overthrown as Persians under Artaxerxes III reconquer (343 BC)

Europe

• General: Gaul invades Rome (348 BC)
• Greece: Philip of Macedon takes Olynthus (Olympus?) (348 BC)
  Aristotle travels to Assos, Lesbos, and Pelia (348 BC)
  Death of Plato (347 BC)
  Peace of Philocrates - Athens sues Macedonia for peace (346 BC)
  Aristotle becomes teacher of Alexander the Great (343 BC)
• Italian States: First Samnite War between Rome and other Italians (343-341 BC)
  Other cities in Latin League revolt against Rome (340 BC)

Middle East

• Persia: Artaxerxes III spreads empire through Egypt (343 BC)