26 feb 1876 año - The Japanese force the Korean government to sign the Japan–Korea Treaty of 1876 (having brought a fleet to Incheon, the port of modern-day Seoul), opening three ports to Japanese trade and forcing Korea's Joseon dynasty to cease considering itself a tributary of China. On China's urging, Korea also signs treaties with the European powers, in an effort to counterbalance Japan (Cinta de tiempo)