Period 1 - 1200-1450

• 1258 CE- Mongols sack Baghdad
• 1271 - 1295 CE- Marco Polo's Travels
• 1325 - 1349 CE- Ibn Battuta's Travels
• 1347 - 1348 CE- Bubonic Plague in Europe
• 1405 - 1433 CE- Zheng He's voyages