The Japan–Korea Treaty of 1905, also known as the Eulsa Treaty, Eulsa Unwilling Treaty or Japan–Korea Protectorate Treaty, was made between the Empire of Japan and the Korean Empire in 1905. Negotiations were concluded on November 17, 1905. The treaty deprived Korea of its diplomatic sovereignty and made Korea a protectorate of Imperial Japan. It resulted from Imperial Japan's victory in the Russo-Japanese War in 1905. Names In the metonymy Eulsa Treaty, the word Eulsa or Ulsa derives the Sexagenary Cycle's 42nd year of the Korean calendar, in which the treaty was signed. The treaty is identified by several names including Second Japan–Korea Convention (Japanese: 第二次日韓協約, Korean: 제2차 한일협약, 第二次韓日協約), Eulsa Restriction Treaty (Korean: 을사늑약, 乙巳勒約), Eulsa Protection Treaty (Japanese: 乙巳保護条約, Korean: 을사보호조약), and Korea Protection Treaty (Japanese: 韓国保護条約). Background Following Imperial Japan's victory in the Russo-Japanese War, with its subsequent withdrawal of Russian influence, and the Taft–Katsura Agreement, in which the United States allegedly agreed not to interfere with Japan in matters concerning Korea, the Japanese government sought to formalize its sphere of influence over the Korean Peninsula. Delegates of both Empires met in Seoul to resolve differences in matters pertaining to Korea's future foreign policy; however, with the Korean Imperial palace under occupation by Japanese troops, and the Imperial Japanese Army stationed at strategic locations throughout Korea, the Korean side was at a distinct disadvantage in the discussions. Formation of treaty On 9 November 1905, Itō Hirobumi arrived in Hanseong and gave a letter from the Emperor of Japan to Gojong, Emperor of Korea, asking him to sign the treaty. On 15 November 1905, he ordered Japanese troops to encircle the Korean imperial palace and threatened the emperor in order to force him to agree to the treaty. On 17 November 1905, Ito and Japanese Field Marshal Hasegawa Yoshimichi entered the Jungmyeongjeon Hall, a Russian-designed building that was once part of Deoksu Palace, to persuade Gojong to agree, but he refused. Ito pressured the cabinet with the implied, and later stated, threat of bodily harm, to sign the treaty. According to 한계옥 (Han-Gyeok), Korean prime minister Han Gyu-seol disagreed, shouting loudly. Ito ordered the guards to lock him in a room and said if he continued screaming, they could kill him. The Korean cabinet signed an agreement that had been prepared by Ito in the Jungmyeongjeon. The Agreement gave Imperial Japan complete responsibility for Korea's foreign affairs, and