1918: The idea of establishing an organization to promote international cooperation and prevent future wars is proposed by President Woodrow Wilson of the United States.
January 10, 1920: The League of Nations is officially established with the signing of the Covenant of the League of Nations in Paris.
1920: The League of Nations holds its first meeting in Geneva, Switzerland, with 41 member countries.
1922: The League of Nations successfully resolves a territorial dispute between Greece and Bulgaria.
1924: The Dawes Plan is implemented under the auspices of the League to address Germany’s war reparations following World War I.
1925: The Geneva Protocol is adopted, prohibiting the use of chemical and biological weapons.
1926: Germany is admitted as a member of the League of Nations.
1929: The Young Plan is introduced to restructure Germany’s reparations, reducing the burden on the country.
1931: The Mukden Incident occurs in Manchuria, marking the start of Japanese aggression. The League of Nations condemns Japan’s actions but fails to take effective measures to stop the aggression.
1932: The League of Nations establishes the International Labor Organization (ILO) to address labor issues and promote workers’ rights.
1933: Germany withdraws from the League of Nations in response to the League’s condemnation of its rearmament policies.
1935: Italy invades Ethiopia, and the League of Nations imposes economic sanctions on Italy. However, the sanctions are ineffective, and Italy successfully conquers Ethiopia.
1936: Germany remilitarizes the Rhineland, violating the Treaty of Versailles. The League of Nations fails to take decisive action to stop Germany.
1938: Germany annexes Austria in the Anschluss, further violating international agreements. The League of Nations is unable to prevent the annexation.
1938: The Munich Agreement is signed, allowing Germany to annex the Sudetenland region of Czechoslovakia. The League’s failure to prevent this leads to a loss of credibility.
1939: World War II begins with Germany’s invasion of Poland. The League of Nations is unable to prevent the outbreak of war.
1940: The League of Nations suspends its activities due to the ongoing war in Europe.
April 18, 1946: The League of Nations officially dissolves itself, and its assets and functions are transferred to the newly established United Nations.
1945: The failure of the League of Nations serves as a catalyst for the creation of the United Nations, with the aim of preventing future global conflicts.
The League of Nations laid the groundwork for many principles and institutions that were later adopted by the United Nations, such as collective security, international cooperation, and the establishment of specialized agencies.