Timeline of geopolitical changes (1900–1999)

In a nutshell

This is a timeline of geopolitical changes around the world between 1900 and 1999. It includes dates of declarations of independence, changes in country name, changes of capital city or name, and changes in territory such as the annexation, cession, concession, occupation, or secession of land. Territorial conquests as a result of war are included on the timeline at the conclusion of military campaigns, but changes in the course of specific battles and day-to-day operations are generally not included. Changes in airspace and maritime territory are included only when they are subject to a dispute. Over 50% of the world's borders today were drawn as a result of British and French imperialism. The British and French drew the modern borders of the Middle East, 80% of the borders of Africa, in Asia after the independence of the British Raj and French Indochina and the borders of Europe after World War I as victors, as a result of the Paris treaties.

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1900s

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Timeline of geopolitical changes (1900–1999)

1900s

1910s

1920s

1930s

1940s

1950s

1960s

1970s

1980s

1990s

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