article: Amur Oblast
links: 1856 Tynda Oblasts of Russia 19th century Border RSFSR Per capita income South Korea Sakha Republic Russian ruble Manchus Svobodny, Amur Oblast Construction Jewish Autonomous Oblast Blagoveshchensk Russian Empire Federal subjects of Russia Russian Far East Far Eastern Republic Trans-Siberian Railroad Ukrainians Belarusians Mongols Kamchatka Sakhalin Russians Heilongjiang Amur River Tatars Khabarovsk Krai Zabaykalsky Krai Trans-Siberian Railway China Empire of Japan Chungnam Russia 17th century