外がい蒙もう古こ

noun

Outer Mongolia

Historical term for the region that roughly corresponds to modern-day Mongolia. Used in pre-20th-century contexts and early 20th-century political discussions.

• 外がい蒙もう古こは清しん朝ちょうの支し配はい下かにあった。

  Outer Mongolia was under the rule of the Qing dynasty.

• 1911年ねんに外がい蒙もう古こは独どく立りつを宣せん言げんした。

  In 1911, Outer Mongolia declared independence.