Japan–Korea Treaty of 1876
The Japan–Korea Treaty of 1876 (also known as the Japan–Korea Treaty of Amity in Japan and the Treaty of Ganghwa Island in Korea) was made between representatives of the Empire of Japan and the Kingdom of Joseon in 1876. Negotiations were concluded on February 26, 1876.
Source: Wikipedia — Japan–Korea Treaty of 1876 (CC BY-SA 4.0)