Start |
Finish |
Name of Conflict |
Belligerents |
Victorious party (if applicable) |
Defeated party (if applicable) |
1900 |
1900 |
War of the Golden Stool |
United Kingdom |
Ashanti Empire |
1900 |
1920 |
Somaliland Campaign |
British Empire Ethiopian Empire Italian Empire |
Dervish State |
1901 |
1902 |
Anglo-Aro War |
United Kingdom |
Aro Confederacy |
1902 |
1903 |
Bailundo Revolt of 1902 |
Portuguese Empire |
Ovimbundu Kingdoms |
1902 |
1903 |
Venezuelan crisis of 1902–03 |
Venezuela
|
German Empire United Kingdom Kingdom of Italy |
1903 |
1903 |
Ilinden–Preobrazhenie Uprising |
Ottoman Empire |
Internal Macedonian Revolutionary Organization |
1903 |
1904 |
British expedition to Tibet |
United Kingdom |
Tibet |
1903 |
1907 |
Saudi–Rashidi War |
Emirate of Nejd and Hasa |
Emirate of Ha'il |
1904 |
1904 |
1904 Sasun uprising |
Ottoman Empire |
Armenian rebels |
1904 |
1908 |
Herero Wars |
German Empire (including German colonial forces) |
Herero and Namaqua peoples |
1904 |
1905 |
Russo-Japanese War |
Empire of Japan |
Russian Empire Principality of Montenegro |
1904 |
1908 |
Macedonian Struggle |
Hellenic Macedonian Committee |
Internal Macedonian Revolutionary Organization |
1905 |
1905 |
Łódź insurrection (1905) |
Russian Empire |
Polish worker militias |
1905 |
1907 |
Revolution of 1905 |
Russian Empire |
Revolutionaries |
1905 |
1908 |
Maji Maji Rebellion |
German Empire |
Indigenous rebels |
1906 |
1906 |
Dutch intervention in Bali (1906) |
The Netherlands |
Badung Tabanan Klungkung |
1906 |
1906 |
Bambatha Rebellion |
British Empire |
Zulu |
1906 |
1908 |
Theriso revolt |
Ottoman Empire |
Cretan rebels |
1907 |
1907 |
1907 Romanian Peasants' Revolt |
Kingdom of Romania |
Romanian peasants |
1907 |
1907 |
Honduran-Nicaraguan War |
Nicaragua |
Honduras |
1908 |
1908 |
Dutch intervention in Bali (1908) |
The Netherlands |
Karangasem Klungkung Gelgel |
1908 |
1908 |
Dutch–Venezuelan crisis of 1908 |
The Netherlands |
Venezuela |
1909 |
1910 |
Second Melillan campaign |
Spain |
Riffian people |
1909 |
1911 |
Ouaddai War |
France |
Ouaddai Empire |
1910 |
1920 |
Mexican Revolution |
Maderistas Orozquistas Villistas Zapatistas Carrancistas Magonistas Seditionistas |
Mexico |
1910 |
1919 |
Border War (1910–19) Part of the Mexican Revolution |
|
|
1910 |
1911 |
Sokehs Rebellion |
German Empire |
Soheks rebels |
1910 |
1910 |
Albanian Revolt of 1910 |
Ottoman Empire |
Albanian rebels |
1911 |
1911 |
Second Guangzhou Uprising |
Qing Empire of China |
Anti Qing rebels |
1911 |
1912 |
French conquest of Morocco |
France |
Morocco |
1911 |
1912 |
Italo-Turkish War |
Kingdom of Italy |
Ottoman Empire |
1911 |
1912 |
Xinhai Revolution 1911 Revolution |
Tongmenghui |
Qing Empire of China |
1912 |
1913 |
First Balkan War |
Kingdom of Bulgaria Kingdom of Greece Kingdom of Serbia Kingdom of Montenegro |
Ottoman Empire |
1912 |
1912 |
Albanian Revolt of 1912 |
Albanian rebels |
Ottoman Empire |
1912 |
1916 |
Contestado War |
Brazilian Governists |
Rebels |
1912 |
1933 |
United States occupation of Nicaragua Part of the Banana Wars |
United States |
Nicaraguan rebels |
1912 |
1912 |
Negro Rebellion Part of the Banana Wars |
Cuba United States |
Independent Party of Color |
1913 |
1913 |
Second Balkan War |
Ottoman Empire Kingdom of Greece Kingdom of Serbia Kingdom of Montenegro Kingdom of Romania |
Kingdom of Bulgaria |
1913 |
1913 |
Tikveš Uprising Part of the Second Balkan War |
Kingdom of Serbia |
Internal Macedonian Revolutionary Organization |
1913 |
1913 |
Ohrid–Debar Uprising |
Kingdom of Serbia |
Internal Macedonian Revolutionary Organization |
1914 |
1921 |
Zaian War |
France |
Zaian Confederation |
1914 |
1918 |
World War I |
Allies:
Kingdom of Belgium
Kingdom of Serbia
France
Russian Empire (until March 1918)
British Empire
Kingdom of Italy (from April 1915)
Canada
Australia
New Zealand
United States (from 1917)
Kingdom of Montenegro
Empire of Japan
Portuguese Republic (from March 1916)
Kingdom of Romania (August 1916 – May 1918)
Kingdom of Greece (from June 1917)
Albania
Brazil (from October 1917)
Armenia (from May 1918)
Czechoslovakia
Kingdom of Siam
San Marino (from June 1915)
Republic of China (from August 1917)
Union of South Africa |
Central Powers:
Austro-Hungarian Empire
German Empire (including German colonial forces)
Ottoman Empire
Kingdom of Bulgaria |
1914 |
1914 |
United States occupation of Veracruz Part of the Banana Wars |
United States |
Mexico |
1914 |
1915 |
Maritz Rebellion |
Union of South Africa |
"Bitterenders" |
1915 |
1915 |
Chilembwe uprising |
British Empire |
Nyasland rebels |
1915 |
1915 |
Bussa rebellion |
British Empire |
Bussa warriors |
1915 |
1934 |
United States occupation of Haiti Part of the Banana Wars |
United States |
Haiti |
1915 |
1917 |
Senussi Campaign Part of World War I |
British Empire |
Senussi Ottoman Empire Darfur Emirate |
1915 |
1916 |
National Protection War Anti-Monarchy War |
Republic of China |
Empire of China |
1916 |
1917 |
Kaocen Revolt |
France |
Tuareg guerrillas |
1916 |
1916 |
Easter Rising |
British Army Dublin Metropolitan Police Royal Irish Constabulary |
Irish Republican Brotherhood Irish Volunteers Irish Citizen Army Cumann na mBan Hibernian Rifles Fianna Éireann |
1916 |
1924 |
United States occupation of the Dominican Republic (1916–24) Part of the Banana Wars |
United States |
Dominican rebels |
1916 |
1918 |
Arab Revolt Part of World War I |
Hashemite Arabs United Kingdom
Sultanate of Nejd (Unification of Saudi Arabia) |
Ottoman Empire |
1917 |
1917 |
February Revolution |
Russian revolutionaries |
Russian Empire |
1917 |
1917 |
Thái Nguyên uprising |
French colonial empire |
Vietnamese rebels |
1917 |
1917 |
Green Corn Rebellion |
United States |
Anti draft rebels |
1917 |
1917 |
October Revolution |
Bolsheviks |
Russian Provisional Government |
1917 |
1922 |
Russian Civil War |
Victorious in Russia, Ukraine, Georgia, Armenia, Azerbaijan, Kazakhstan, and Mongolia:
Russian SFSR
Other Soviet republics
Mongolian People's Party
Victorious in their respective countries:
Kingdom of Finland
Republic of Estonia
Republic of Latvia
Republic of Lithuania
Second Polish Republic |
White Movement
Central Powers (until 1918):
Austro-Hungarian Empire
German Empire (including German colonial forces)
Ottoman Empire
Allied Forces (from 1918):
Czechoslovakia
Republic of China
France
Kingdom of Greece
Kingdom of Italy
Empire of Japan
Poland
Kingdom of Romania
Kingdom of Serbia
United Kingdom
Australia
Canada
United States
Other combatants:
Revolutionary Insurrectionary Army of Ukraine
Ukrainian People's Republic
Democratic Republic of Georgia
Democratic Republic of Armenia
Various pro-independence movements |
1917 |
1918 |
Soviet-Turkish War (1917-1918) Part of Russian Civil War |
Ottoman Empire |
Russian SFSR |
1917 |
1921 |
Ukrainian War of Independence Part of World War I and Russian Civil War |
Ukrainian SSR Russian SFSR |
Ukrainian People's Republic
West Ukrainian People's Republic White Movement |
1918 |
1918 |
Finnish Civil War |
Finnish White Guards German Empire |
Finnish Red Guards Russian SFSR |
1918 |
1918 |
Georgian–Armenian War |
Democratic Republic of Georgia |
Democratic Republic of Armenia |
1918 |
1919 |
German Revolution of 1918–19 |
Weimar Republic |
Communist Forces:
Bavarian Soviet Republic
Spartacus League German Communist movements |
1918 |
1919 |
Greater Poland Uprising (1918–19) |
Poland |
German Empire |
1918 |
1919 |
Polish–Ukrainian War Part of the Ukrainian War of Independence |
Poland |
West Ukrainian People's Republic |
1918 |
1920 |
Georgian–Ossetian conflict (1918–20) Part of the Russian Civil War |
Transcaucasian Democratic Federative Republic
Democratic Republic of Georgia |
Pro-Bolshevik Ossetian rebels |
1918 |
1919 |
Sochi conflict Part of the Russian Civil War |
White movement Kuban-Black Sea Soviet Republic |
Democratic Republic of Georgia |
1918 |
1920 |
Armenian–Azerbaijani War Part of the Russian Civil War |
Azerbaijan Democratic Republic
Ottoman Empire (1918 only)
Russian SFSR (from April 1920)
Turkish Revolutionaries (from April 1920) |
Democratic Republic of Armenia
Republic of Mountainous Armenia
Nagorno-Karabakh rebels
British Empire (1918 only)
Centrocaspian Dictatorship (1918 only) |
1918 |
1920 |
Estonian War of Independence Part of the Russian Civil War |
Estonia
White Russia
Latvia
United Kingdom
Ingria
Ober Ost
Finnish, Swedish and Danish volunteers |
Russian SFSR
Commune of Estonia
Latvian SSR |
1918 |
1920 |
Latvian War of Independence Part of the Russian Civil War |
Latvia
Estonia
Poland
United Kingdom France |
Russian SFSR
Latvian SSR |
1918 |
1919 |
Lithuanian–Soviet War Part of the Lithuanian Wars of Independence |
Lithuania Saxon volunteers |
Russian Soviet Federative Socialist Republic Lithuanian-Belorussian Soviet Socialist Republic |
1918 |
1919 |
Al-Khurma dispute Part of the Unification of Saudi Arabia |
Emirate of Riyadh |
Kingdom of Hejaz |
1918 |
1921 |
War of the Insane |
French Indochina |
Hmong rebels |