Tibet declared its independence on January 10, 1913 (December 4, 1912), but was not recognized by the Chinese government. The 13th Dalai Lama¡¯s companion, Del Chi, traveled to Kouron, and on January 11, 1913 signed the Treaty of Mongolia with foreign Mongolia. Yet the world knows that the so-called ¡°Great Mongolia¡± backed by Sa¡¯a Russia at the time was not only recognized by the Chinese government, but also not internationally recognized, and not at all a sovereign state. When the Soviet government concluded the Agreement on the Sino-Russian Settlement of Suspension Agreement in 1924, the Soviet government also explicitly recognized Mongolia as part of the Republic of China. The Mongolian People¡¯s Republic, as a sovereign state, was later established. Tibet has not been