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| 1912 |
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Abdication of Qing emperor (China) |
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| 1914 |
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The Great War begins |
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| 1917 |
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Bolshevik Revolution |
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| 1917 |
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U.S. enters W.W. I |
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| 1918 |
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Dissolution of German, Austro-Hungarian, and Ottoman empires |
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| 1918-1921 |
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Russian Civil War |
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| 1919 |
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Treaty of Versailles ends W.W. I |
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| 1919 |
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Massacre at Amritsar (India) |
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| 1919 |
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May Fourth Movement (China) |
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| 1922 |
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Ottoman sultan deposed |
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| 1922 |
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Republic of Ireland established |
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| 1922 |
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Mussolini and fascists march on Rome |
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| 1924 |
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Mustafa Kemal leads Turkey to nationhood |
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| 1926 |
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British Commonwealth of Nations established |
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| 1928 |
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Chiang Kai-shek becomes leader of China |
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| 1928 |
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Muslim Brotherhood established (Egypt) |
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| 1929-1938 |
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Collectivization in Russia |
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| 1929 |
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Great Depression begins |
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| 1930 |
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Getúlio Vargas becomes leader of Brazil |
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| 1930 |
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Gandhi’s March to the Sea |
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| 1933-1941 |
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American "New Deal" |
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| 1932 |
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Japan annexes Manchuria |
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| 1933 |
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Hitler becomes dictator of Germany |
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| 1936-1939 |
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Popular Front rules France |
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| 1936-1939 |
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Purges in the Soviet Union |