590 years ago today, on June 29, 1435 (June 4, 1435 lunar calendar), Zheng He died. Zheng He (1371-1435), originally surnamed Ma, nicknamed Sanbao, Hui nationality, from Kunyang, Yunnan (now Jinning). In the early Ming Dynasty, he entered the palace as a eunuch, and was given the surname Zheng because of his military exploits in the war of King Yan Zhu Di for the throne. In 1405 (the third year of Yongle), he led sailors, officers and soldiers 27,800 people, took 63 ships of the "Treasure Department", and sent "Western" to the West, and returned two years later. After six more voyages to the "Western", to 1433, a total of 28 years, passed through more than 30 countries and regions, and reached the east coast of Africa, the Red Sea and Mecca as far as possible, which promoted the economic and cultural exchanges between China and Asian and African countries. June 29, 1435 AD (the fourth day of June in the tenth year of Ming Xuande) Zheng He passed away. Zheng He's treasure ship 3D model map, there are more than 20 treasure ship models in the entire cartoon. Comments: China's navigation event!