The Kingdom of Maritime Trade
From 1429 to 1879, the Ryukyu Kingdom controlled the islands between Kyushu and Taiwan. Its location in the East China Sea was a strategic asset, turning the small nation into a major center for maritime trade. The kingdom began after Shō Hashi, ruler of the central principality of Chūzan, conquered the northern kingdom of Hokuzan and the southern kingdom of Nanzan, unifying Okinawa Island. He established his capital at Shuri Castle, which would remain the political and cultural center for the next 450 years.
The kingdom's wealth was built on a sophisticated understanding of international relations, particularly its tributary status with Ming, and later Qing, China. This relationship, established in 1372 by the king of Chūzan, was ceremonial but provided immense economic benefits. Ryukyuan missions to China, sometimes involving up to 300 people, would present "tribute" such as horses, sulfur, and goods from Japan and Southeast Asia. In return, the Chinese emperor would bestow gifts of far greater value, including high-quality silks and ceramics, which the Ryukyuans then traded across Asia. The kingdom became a important intermediary, exchanging Southeast Asian pepper and sappanwood for Chinese and Japanese goods.
A Double Game
The kingdom's delicate balancing act was disrupted in 1609. The Shimazu clan of the Satsuma Domain in southern Japan, with permission from the Tokugawa shogunate, launched an invasion. An invasion force of roughly 3,000 soldiers on over 100 ships quickly overwhelmed the Ryukyuan defenses. After this, the kingdom entered a unique and precarious period of dual subordination.
Publicly, Ryukyu maintained its tributary relationship with China, which was important for trade, as Ming China had banned direct trade with Japan. Secretly, the kingdom was now a vassal state of the Satsuma Domain. The Shimazu clan cleverly exploited this arrangement to profit from the China trade. To maintain the illusion of Ryukyuan independence for Chinese envoys, Satsuma went to great lengths. Okinawans were forbidden from adopting Japanese names, clothing, or customs. This policy, designed to deceive China, ironically helped keep a distinct Ryukyuan culture for over 250 years. The dual allegiance continued until 1879, when the Meiji government of Japan formally annexed the islands, abolishing the kingdom and creating Okinawa Prefecture. The last king, Shō Tai, was forced to abdicate.