Abagaitu Islet (; , Bolshoy Ostrov) is an islet in the

Argun River (Asia) The Argun or Ergune (russian: Аргунь, bua, Эргэнэ гол, ''Ergene gol''; mn, Эргүнэ мөрөн, ''Ergüne mörön''; evn, Ергэне ''Yergenye'', zh, 额尔古纳河 ''Éěrgǔnà hé'') is a long river that forms par ...

divided Division is one of the four basic operations of arithmetic, the ways that numbers are combined to make new numbers. The other operations are addition, subtraction, and multiplication. At an elementary level the division of two natural numbe ...

between the

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

( Inner Mongolia Autonomous Region) and

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...

(

Chita Oblast Chita Oblast ( rus, Чити́нская о́бласть, r=Čitínskaja óblastj, p=tɕɪˈtʲinskəjə ˈobləsʲtʲ) was a federal subject of Russia (an oblast) in southeast Siberia, Russia. Its administrative center was the city of Ch ...

). Its area is . The island was occupied by the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...

in 1929, a move not accepted by China, resulting in a border dispute that lasted more than seventy years. On October 14, 2004, the

Complementary Agreement between the People's Republic of China and the Russian Federation on the Eastern Section of the China–Russia Boundary A complement is something that completes something else. Complement may refer specifically to: The arts * Complement (music), an interval that, when added to another, spans an octave ** Aggregate complementation, the separation of pitch-class ...

was signed, in which Russia agreed to relinquish control over a part of Abagaitu Islet. In 2005, the Russian Duma and the Chinese National People's Congress approved the agreement.

References

Russian map
{{reflist River islands of China Landforms of Inner Mongolia River islands of Russia International islands Bodies of water of Zabaykalsky Krai China–Russia border

See also

References