– October 1922) Turkish–Armenian War (September–December 1920) Franco-Turkish War (December 1918 – October 1921) Royalist and separatist revolts (1919–1923) Unification of Saudi Arabia Rashidi–Saudi War (1903–1921) Kuwait–Saudi War (1919–1920) Hejaz–Saudi War (1919–1925) Transjordan-Saudi War (1922–1924) Polish–Soviet War (February 1919 – March 1922) Irish War of Independence (January 1919 – July 1921) Iraqi Revolt (1920) Rif War (1920–1927) Second Italo-Senussi War (1923–1932) Great Syrian Revolt (1925–1927) United States occupation of Nicaragua (1912–1933) United States occupation of Haiti (1915–1934) United States occupation of the Dominican Republic (1916–1924) Internal conflicts Russian Civil War (November 1917 – October 1922) Tambov Rebellion (August 1920 – June 1921) Allied intervention in the Russian Civil War (1918 – 1925) Patagonia Rebelde (1920–1922) Mahmud Barzanji revolts (1920–1922) Irish Civil War (June 28, 1922 – May 24, 1923) Chinese Civil War (first phase 1927–1936) Ararat rebellion (1927–1930) Kongo-Wara rebellion (1928–1931) Afghan Civil War (November 14, 1928 – October 13, 1929) Major political changes Rise of radical political movements such as communism led by the Soviet Union and fascism led by Italy. League of Nations and associated bodies as experiment in international cooperation and prevention of wars Decolonization and independence Irish Free State gains independence from the United Kingdom in 1922. Egypt officially becomes an independent country through the Declaration of 1922, though it still remains under the military and political influence of the British Empire. Prominent political events Peace and disarmament Washington Naval Conference of 1922 followup treaties for the Limitation of Naval Armament Geneva Protocol 1925, outlaws poison gas Geneva Naval Conference 1927 Kellogg–Briand Pact (1928) signed by most nations promising not to declare war. London Naval Treaty, 1930 Conference for the Reduction and Limitation of Armaments 1932-1934 Women's suffrage Women's suffrage movement continues to make gains as women obtain full voting rights in the United Kingdom in 1918 (women over 30) and in 1928 (full enfranchisement), in the United States in 1920. Also : full or partial gains in Uruguay 1917; Canada, 1917–1925 except Quebec (1940); Czechoslovakia 1920; Irish Free State, 1922; Burma, 1922; Italy, 1925 (partial); Ecuador 1929. United States Prohibition of alcohol occurs in the United States. Prohibition in the United States began January 16, 1919, with the ratification of the Eighteenth Amendment to the U.S.Constitution, effective as of January 17, 1920, and it continued throughout the 1920s. Prohibition was finally repealed in 1933. Organized crime turns to smuggling and bootlegging of liquor, led by