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v t e Wars of the 20th century
1900s	Thousand Days' War Second Boer War War of the Golden Stool Shoubak revolt of 1900 Russian invasion of Manchuria Sharjah conquest of Ras Al Khaimah Somaliland campaign Kuwaiti–Rashidi war Revolución Libertadora [es] Anglo-Aro War Battle of Holy Apostles Monastery 1901 Mapondera Rebellion Holy Man's Rebellion Kuanhama Rebellion of 1902-1904 Bailundo revolt Venezuelan crisis of 1902–1903 Battle of Jo-Laban Theriso revolt May Coup (Serbia) Ilinden–Preobrazhenie Uprising British expedition to Tibet British conquest of the Sokoto Caliphate Saudi–Rashidi War (1903–1907) South West African Revolt of 1904-1906 Portuguese campaign against the Ovambo Vaccine Revolt Revolution of 1904 1904 Sasun uprising Herero Wars Russo-Japanese War Yemeni Rebellion of 1904 Macedonian Struggle Argentine Revolution of 1905 Shoubak Revolt of 1905 Łódź insurrection Batang uprising 1905 Russian Revolution Maji Maji Rebellion Yemeni Expedition of 1905 Sokoto Uprising of 1906 1906 Mesopotamia uprising Dutch intervention in Bali (1906) Bambatha Rebellion Dembos War of 1907-1910 Anti-Foreign Revolt Mutair revolt 1907 Romanian Peasants' Revolt Honduran-Nicaraguan War Beipu uprising Buraida rebellion Dersim insurgencies Battle of Marrakesh Mau uprising [de] Young Turk Revolution Dutch intervention in Bali (1908) Dutch–Venezuelan crisis of 1908 Estrada's rebellion Kolašin Affair (1909) Zaraniq rebellion (1909–1910) Crazy Snake Rebellion Second Melillan campaign Hauran Druze Rebellion Wadai War
1910s	Battle of Hadia [ar] Karak revolt Albanian revolt of 1910 5 October 1910 revolution Chinese expedition to Tibet (1910) Sokehs rebellion Mexican Revolution Mexican Border War (1910–1919) Bandit War Magonista rebellion of 1911 Paraguayan Civil War (1911–1912) Russian occupation of Tabriz Albanian revolt of 1911 Second Guangzhou Uprising Dominican Civil War (1911–1912) French conquest of Morocco Italo-Turkish War East Timorese Rebellion 1911 Revolution War of the Generals Sirte revolt Khost rebellion (1912) First Balkan War Albanian revolt of 1912 Contestado War United States occupation of Nicaragua Royalist attack on Chaves Negro Rebellion Urtatagai conflict (1913) Atmene uprising [ru] Conquest of al-Hasa Second Balkan War Tikveš uprising Ohrid–Debar uprising Second Revolution (Republic of China) Bai Lang Rebellion Operations in the Tochi Revolt of Juazeiro [pt] Zaian War Dominican Civil War (1914) Peasant Revolt in Albania Truku War World War I United States occupation of Veracruz Bluff War Ovambo insurrection in Portuguese Angola [fr] Maritz rebellion Tapani incident Battle of Kinzaan Battle of Jarrab Chilembwe uprising Bussa rebellion 1915 Singapore Mutiny Volta-Bani War National Protection War Senussi campaign United States occupation of Haiti Operations against the Mohmands, Bunerwals and Swatis in 1915 Mohmand blockade Cuban Civil War Kaocen revolt 1916 Cochinchina uprising Battle of Segale Noemvriana Central Asian revolt of 1916 Easter Rising United States occupation of the Dominican Republic (1916–1924) Arab Revolt Basmachi movement February Revolution July Days Manchu Restoration Thái Nguyên uprising Polubotkivtsi uprising Toplica Uprising Kornilov affair Green Corn Rebellion October Revolution Kerensky–Krasnov uprising Russian Civil War Constitutional Protection Movement Ukrainian War of Independence Golok conflicts (1917–1949) Operations against the Marri and Khetran tribes Adubi War Simko Shikak revolt (1918–1922) Judenburg mutiny Cattaro mutiny Aster Revolution Radomir Rebellion Left SR uprising Finnish Civil War Armeno-Georgian War Polish–Czechoslovak border conflicts Viena expedition First Pechenga expedition Austro-Slovene conflict in Carinthia German Revolution of 1918–1919 Greater Poland uprising (1918–1919) Hungarian–Czechoslovak War Polish–Ukrainian War Georgian–Ossetian conflict (1918–1920) Sochi conflict Armenian–Azerbaijani War Estonian War of Independence Latvian War of Independence Lithuanian–Soviet War Al-Khurma dispute Vue Pa Chay's revolt Revolt of the Ingrian Finns Franco-Turkish War Punjab Rebellion Black Sea mutiny 1919 Royalist uprising in Northern Portugal Christmas Uprising Spartacist uprising Lithuanian War of Independence (War against the Bermontians) Sejny Uprising First Barzanji Revolt Polish–Czechoslovak War Khotyn Uprising Hungarian–Romanian War Turkish War of Independence Third Anglo-Afghan War Waziristan campaign (1919–1920) Italian Regency of Carnaro Italo-Yugoslav War First Honduran Civil War Polish–Soviet War First Silesian Uprising Aunus expedition Alawite revolt of 1919 Irish War of Independence Kuwait–Najd War Greco-Turkish War (1919–1922) Revolts during the Turkish War of Independence
1920s	Zhili–Anhui War Franco-Turkish War Red Army invasion of Georgia East Karelian uprising First Zhili–Fengtian War Second Zhili–Fengtian War Rif War Irish Civil War Paraguayan Civil War (1922) Cristero War Afghan Civil War (1928–1929)
1930s	Sino-Tibetan War Japanese invasion of Manchuria Chaco War Colombia–Peru War Saudi–Yemeni War (1934) Austrian Civil War Second Italo-Ethiopian War Spanish Civil War Second Sino-Japanese War Battle of Lake Khasan Polish–Czechoslovak War Hungarian invasion of Carpatho-Ukraine Slovak–Hungarian War Battles of Khalkhin Gol World War II Soviet invasion of Poland Winter War Italian invasion of Albania
1940s	Greco-Italian War Franco-Thai War German–Soviet War Continuation War Anglo-Iraqi War Lapland War Soviet–Japanese War Ecuadorian–Peruvian War Indonesian National Revolution First Indochina War Greek Civil War Paraguayan Civil War (1947) Chinese Civil War Costa Rican Civil War Indo-Pakistani War of 1947–1948 La Violencia 1947–1949 Palestine war Malayan Emergency
1950s	Korean War Algerian War First Sudanese Civil War Laotian Civil War Suez Crisis Hungarian Revolution of 1956 Cuban Revolution Ifni War Vietnam War 1958 Lebanon crisis
1960s	Guatemalan Civil War Congo Crisis Bay of Pigs Invasion Bizerte crisis Annexation of Goa Angolan War of Independence Eritrean War of Independence Sino-Indian War Dhofar Rebellion Guinea-Bissau War of Independence Sand War Colombian conflict Mozambican War of Independence Indo-Pakistani War of 1965 Dominican Civil War South African Border War Rhodesian Bush War 1967 Opium War Chadian Civil War (1965–1979) Six-Day War Nigerian Civil War Cambodian Civil War Warsaw Pact invasion of Czechoslovakia Football War Sino-Soviet border conflict Tielieketi
1970s	Black September Bangladesh Liberation War Indo-Pakistani War of 1971 Yom Kippur War Western Sahara War Turkish invasion of Cyprus Ethiopian Civil War Cod Wars Cambodian–Vietnamese War Lebanese Civil War Angolan Civil War Mozambican Civil War Indonesian occupation of East Timor Egyptian–Libyan War Ogaden War 1978 South Lebanon conflict Opération Lamantin Uganda–Tanzania War Chadian–Libyan conflict Sino-Vietnamese War Soviet–Afghan War Salvadoran Civil War
1980s	Iran–Iraq War Paquisha War Falklands War 1982 Lebanon War United States invasion of Grenada Second Sudanese Civil War Sri Lankan Civil War Operation Blue Star Kurdish–Turkish conflict (1978–present) Agacher Strip War Somali Civil War United States invasion of Panama First Liberian Civil War Afghan Civil War (1989–1992)
1990s	1991–1992 South Ossetia War Rwandan Civil War Georgian Civil War Djiboutian Civil War Invasion of Kuwait Gulf War Yugoslav Wars Slovenian Independence War Croatian War of Independence Bosnian War First Nagorno-Karabakh War Algerian Civil War Sierra Leone Civil War Afghan Civil War (1992–1996) Transnistria War Abkhaz–Georgian conflict War in Abkhazia (1992–1993) War in Abkhazia (1998) Tajikistani Civil War Burundian Civil War Yemeni Civil War (1994) First Chechen War Iraqi Kurdish Civil War Cenepa War First Congo War Nepalese Civil War Republic of the Congo Civil War (1997–1999) Kosovo War NATO bombing of Yugoslavia Guinea-Bissau Civil War Second Congo War Eritrean–Ethiopian War War of Dagestan Kargil War Second Chechen War Second Liberian Civil War
Lists of wars of the 20th century 1900–1944 1945–1989 1990–2002