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Definition: Amur from The Macquarie Dictionary

a river in eastern Asia, forming most of the boundary between northern Manchuria and south-eastern Russia, flowing into the Sea of Okhotsk.

About 4350 km

Summary Article: Amur
from Merriam-Webster's Geographical Dictionary

River, NE Asia; formed by junction of Shilka and Argun rivers (qq.v.) at ab. 53°20′N, 121°28′E; forms boundary bet. N Manchuria and two subdivisions of Russia (Chita Oblast and Khabarovsk Kray); flows E, SE, and NE to N end of Tatar Strait bet. mainland and Sakhalin I.; below Khabarovsk wholly in Russian territory; length with Argun and Kerulen ab. 2705 mi. (4352 km.), from junction ab. 1786 mi. (2874 km.); est. area of basin 770,000 sq. mi. (1,994,300 sq. km.); below junction receives N tributaries Zeya and Bureya, and on S Kumara, Songhua, and Ussuri; chief cities on it: Blagoveshchensk, Khabarovsk, Komsomol'sk-na-Amure, and Nikolayevsk-na-Amure (near mouth); navigable for ab. 2000 mi. (3220 km.) up to Sretensk on the Shilka.


Peoples S of the Amur (including Chinese) in contact with peoples N of the Amur (including Russians) from 17th cent.; Russia compelled by China to withdraw from valley in Treaty of Nerchinsk (q.v.) 1689; settled by Russians from 1847; by treaty signed at Aihun (see aigun) 1858, left bank of Amur yielded by China to Russia, and Ussuri region by Treaty of Peking 1860; occupied by Russians and developed economically, esp. after building of Trans-Siberian R.R.; Blagoveshchensk (q.v.) became chief cultural and commercial center; after Japanese occupation of Manchuria, scene of Soviet-Japanese clashes 1937; also scene of Sino-Soviet border clashes during the late 1960s. See also jewish autonomous oblast.

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