evidence: The last unresolved territorial issue between the two countries was settled by the 2004 Complementary Agreement between the People's Republic of China and the Russian Federation on the Eastern Section of the China–Russia Boundary.[69] Pursuant to that agreement, Russia transferred to China a part of Abagaitu Islet, the entire Yinlong (Tarabarov) Island, about half of Bolshoy Ussuriysky Island, and some adjacent river islets. The transfer has been ratified by both the Chinese National People's Congress and the Russian State Duma in 2005, thus ending the decades-long border dispute. The official transfer ceremony was held on-site on October 14, 2008.[70] However, in China Standard Map Edition 2023, Bolshoy Ussuriysky Island has been speculated by some journalists to be asserted as Chinese territory by China.[71] Tajikistan [edit]China had a longstanding territorial claim on about 28,430 square kilometers (10.977 square miles) of Tajik territory since 1884, which was taken from the then Qing dynasty by unequal treaties.[72][73] [...] - ^ "Ladakhi and Bhutanese Enclaves in Tibet" (PDF). John Bray. Archived (PDF) from the original on 2022-12-02. Retrieved 2021-08-05.