Some 50,000 leaders and citizens of the Southern Song Dynasty of China become the first recorded inhabitants of Macau , as they seek refuge from the invading Mongol Empire . They also stayed for a short period in Kowloon . Some hundred years later the place where they stayed became Sung Wong Toi .
In Japan , a 20 kilometer stone wall defending the coast of Hakata Bay in Fukuoka is completed; it is built in response to the attempted invasion by the Mongol Empire in 1274 .