Was Korea a vassal state of China in Han Dynasty?

During the period of 1231–1259, the Mongol led Yuan Dynasty invaded Korea, ultimately resulting in the capitulation of Goryeo and becoming a vassal state of the Yuan Dynasty for over 80 years. The Yuan Dynasty eventually fell in 1368. Ming and Joseon. Ming dynasty China shared a close trade and diplomatic relationship with Joseon Dynasty Korea. read more

No Han dynasty destroyed Gojoseon in 108 BCE. After destroying Gojoseon, Han Dynasty set up four commanderies to control the region. It was more like a direct annexation of territories. read more

When Korea became a nominal vassal of China was in Goryeo dynasty, when they became the vassal of the Yuan Dynasty. read more

Prisoners captured from Liaodong, Korea, and Japan were sent as tribute to China from Balhae. Tang dynasty China received 11 Japanese girl dancers as tribute from Balhae in 777. Song. The Song dynasty received 302 tribute missions from other countries. Vietnamese missions consisted of 45 of them, another 56 were from Champa. read more