Ryukyu Kingdom's tribute to the Ming and internal unification (1470s)

Timeline

1. 1470–1471Shuri · Naha CityShō En overthrew Shō Toku, the last king of the First Shō line, declared himself king under the name Shunten, and founded the Second Shō dynasty. Immediately after the change of regime he set about integrating the power of Chuzan.
2. 1471–1477Okinawa main island · Okinawa PrefectureShō En and his successors conquered Nanzan and Hokuzan, destroying the Kingdom of Hokuzan in 1477 and basically completing the unification of the three kingdoms on Okinawa, laying the foundation for the Ryukyu Kingdom's zenith.
3. 1471–1480Beijing · Beijing CityThe Ryukyu Kingdom continued its tribute relations with the Ming, sending envoys to the capital to present tribute and receive investiture. Silk, porcelain, and other goods obtained through tribute trade were resold to Southeast Asia and Japan, and Naha became a hub of East Asian maritime trade.