1403 The capitol of China is moved from Nanjing to Beijing 1405-1433 Chinese explorer Zheng He is granted funds for an exploritory voyage in India and East Africa. He sails for many years, mapping the areas better than any other explorer to date. 1423 The Golden Horde starts to disintegrate, as roits between different ethic groups occur and the government is unable to control it. Emergancy measures aer put in place, but nothing works. 1451 Sejong the Great created the Korean written language, the Hangul. 1469 Guru Nanek Dev is born, revered by many in India.