On This Day - What happened 10 January 1920 AD

The League of Nations was the first worldwide international organization whose principle mission to maintain world peace. It was founded on 10 January 1920 following the Paris Peace Conference that ended World War I, and the headquarters was in Geneva, Switzerland.

On 10 January 1920, the League of Nations formally came into being when the Covenant of the League of Nations, ratified by 42 nations in 1919, took effect.