Trade Timeline

• 7500 BCE
  Long-distance trade in obsidian begins.
• c. 2800 BCE - c. 1900 BCE
  The rise of the great Indian cities of Mohenjo Daro and Harappa.
• c. 1900 BCE - c. 1400 BCE
  Trade flourishes between Mesopotamia and other regions.
• c. 620 BCE
  Posible founding date for Ostia, the port of Rome.
• 138 BCE - 126 BCE
  Zhang Qian, as envoy of Emperor Wu, opens up the 'Silk Road' trading route between China and central Asia.
• c. 1 CE
  First non-stop voyages from Egypt to India.
• 200 CE
  Completion of the Roman road system.
• 1505 CE
  The Portuguese begin to attack cities and build forts along the Swahili Coast in order to control trade.
• 1565 CE - 1815 CE
  The Manila galleons each year take eastern trade goods from Manila to Acapulco (and return with American silver).