Over a period of almost three decades in the early 15th century, Ming China sent out a fleet the likes of which the world had never seen. These enormous treasure junks were commanded by the great admiral, Zheng He. Together, Zheng He and his armada made seven epic voyages from the port at Nanjing to India, Arabia, and even East Africa.
https://www.thoughtco.com/the-seven-voyages-of-the-treasure-fleet-195215
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