The 1915 Kyakhta treaty formalized Outer Mongolia's autonomy under Chinese suzerainty while limiting its path to full independence.
Key Facts
- Date signed
- 25 May 1915
- Parties
- Russia, Mongolia, China
- Mongolia's status
- Autonomous, under Chinese suzerainty
- Treaty restriction
- Mongolia barred from political/territorial treaties
- Superseded by
- October Revolution 1917, Mongolian Revolution 1921
Location
Cause → Event → Consequence
Mongolia had declared independence from China in 1911, but neither Russia nor China accepted full Mongolian sovereignty. Competing interests — Russia seeking a buffer state, China seeking to reassert control, and Mongolia pursuing independence — created pressure for a negotiated multilateral settlement.
On 25 May 1915, Russia, China, and Mongolia signed the Treaty of Kyakhta in the border town of Kyakhta. The agreement recognized Outer Mongolia as autonomous within Chinese territory, acknowledged Chinese suzerainty, and prohibited Mongolia from concluding independent political or territorial treaties with foreign powers.
The treaty curtailed the independent status Mongolia had declared in 1911 and was seen by Mongolians as a failure to achieve a unified, sovereign state. It remained in effect until the upheavals of the 1917 Russian Revolution and the 1921 Mongolian Revolution rendered it moot, eventually paving the way for the Mongolian People's Republic.
Political Outcome
Outer Mongolia recognized as autonomous under Chinese suzerainty; Mongolia's right to independent foreign policy on political and territorial matters denied.
Mongolia had declared full independence from China in 1911, with Russian backing.
Mongolia held recognized autonomy within Chinese territory, with sovereignty curtailed by both China and Russia.