琉球半岛又称南西群岛,位于中国台湾岛和日本九州岛之间,面积约4600平方公里。究其历史,应纳入中国版图,为何成为日本领土了呢?12世纪,琉球半岛出现中山、山南、山北三个小王国。1372年,三小国开始向中国明朝进贡,国王分别受到明朝的册封。后来,该岛又形成了统一的琉球王国,但仍向中国进贡。1609年,日本萨摩藩诸侯岛的津氏国用武力征服琉球。此后,琉球王虽向明朝 Ryukyu Peninsula, also known as the Southwestern Islands, is located between China Taiwan Island and Japan’s Kyushu Island, an area of ​​about 4600 square kilometers. In the 12th century, three small kingdoms of Zhongshan, Shannan and Shanbei appeared in the Ryukyu Peninsula. In 1372, the Three Little Powers started to pay tribute to the Ming Dynasty in China, and the kings were individually sealed by the Ming Dynasty. Later, the island formed a unified kingdom of Ryukyu, but still tribute to China. In 1609, Japan’s Satsuma feudal island Jin’s country conquered Ryukyu with force. Since then, Ryukyu Wang although to the Ming Dynasty