The Khalkhyn gol (Mongolian: Халхын гол, Khalkha river; Chinese: 哈拉哈河) is a river in eastern Mongolia and northern China. The length of the river is 232 km. This bridge across the Danube River links Hungary with Slovakia. ...

The Khalkha river is famous for the Battle of Khalkhyn Gol, where Soviet and Mongolian forces defeated the Japanese Kwantung Army in August 1939. The Kwantung Army or Guandong Army (関東軍 Japanese: Kantōgun) was a unit of the Imperial Japanese Army that originated from a Guandong garrison established in 1906 to defend the Kwantung Leased Territory and the areas adjacent to the South Manchurian Railway. ...