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
|
1901
|
1902
|
Anglo-Aro War
|
United Kingdom
|
Aro Confederacy
|
1902
|
1925
|
War of Unification of Saudi Arabia
|
Sultanate of Nejd Allied Arab clans
|
Rashidi State Àdàkọ:Country data Ottoman Empire Kingdom of Hejaz
|
1903
|
1904
|
British expedition to Tibet
|
United Kingdom
|
Àdàkọ:Country data Tibet Tibet
|
1904
|
1905
|
Russo-Japanese War
|
Empire of Japan
|
Àdàkọ:Country data Russian Empire Principality of Montenegro
|
1904
|
1909
|
Black Patch War
|
United States
|
1905
|
1905
|
1905 Russian Revolution
|
Àdàkọ:Country data Russian Empire
|
Revolutionaries
|
1906
|
1909
|
Pig War
|
Kingdom of Serbia
|
Àdàkọ:Country data Austria-Hungary Austro-Hungarian Empire
|
1907
|
1907
|
1907 Romanian Peasants' Revolt
|
Kingdom of Romania
|
1908
|
1909
|
Moroccan War
|
Morocco
|
1908
|
1909
|
Persian Civil War
|
Iran
|
1909
|
1910
|
Second Rif War
|
Spain
|
Morocco
|
1909
|
1911
|
Nicaraguan Civil War
|
Nicaragua
|
Nicaraguan Conservative Rebals United States
|
1909
|
1911
|
Wadai War
|
France
|
Ouaddai Empire
|
1910
|
1921
|
Mexican Revolution
|
Mexico
|
1911
|
1912
|
Second Franco-Moroccan War
|
France
|
Morocco
|
1911
|
1912
|
Italo-Turkish War
|
Kingdom of Italy
|
Àdàkọ:Country data Ottoman Empire
|
1912
|
1913
|
First Balkan War
|
Kingdom of Bulgaria Kingdom of Greece Kingdom of Serbia Kingdom of Montenegro
|
Àdàkọ:Country data Ottoman Empire
|
1912
|
1916
|
Contestado War
|
Brazilian Governists
|
Rebels
|
1913
|
1913
|
Second Balkan War
|
Àdàkọ:Country data Ottoman Empire Kingdom of Greece Kingdom of Serbia Kingdom of Montenegro
|
Kingdom of Bulgaria
|
1914
|
1918 (de facto)
1919 (de jure)
|
World War I
|
Triple Entente:
Kingdom of Belgium
Àdàkọ:Country data Kingdom of Serbia
France
Àdàkọ:Country data Russian Empire (until March 1917)
British Empire
Kingdom of Italy (from April 1915)
Canada
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)
Àdàkọ:Country data Bohemia Czechoslovakia
Finland (from October 1918r)
Kingdom of Siam
San Marino (from June 1915)
China (from August 1917)
|
Central Powers:
Àdàkọ:Country data Austria-Hungary Austro-Hungarian Empire
German Empire (including German colonial forces)
Àdàkọ:Country data Ottoman Empire
Kingdom of Bulgaria
|
1915
|
1934
|
United States occupation of Haiti
|
United States Haiti
|
Haiti
|
1916
|
1924
|
1916 United States occupation of the Dominican Republic
|
|
|
1917
|
1917
|
1917 Russian Revolution
|
Bolsheviks
|
Àdàkọ:Country data Russian Empire Mensheviks
|
1917
|
1922
|
Russian Civil War
|
Communist Forces:
Àdàkọ:Country data Russian SFSR
Ukrainian SSR
Revolutionary Insurrectionary Army of Ukraine
|
Àdàkọ:Country data Russian Empire
Central Powers (until 1918):
Àdàkọ:Country data Austria-Hungary Austro-Hungarian Empire
German Empire (including German colonial forces)
Àdàkọ:Country data Ottoman Empire
Allied Forces (from 1918):
Czechoslovakia
China
Estonia
Finland
France
Greece
Kingdom of Italy
Empire of Japan
Latvia
Lithuania
Poland
Kingdom of Romania
Àdàkọ:Country data Kingdom of Serbia
United Kingdom
Australia
Canada
United States
|
1917
|
1918
|
Soviet-Turkish War Part of Russian Civil War
|
Àdàkọ:Country data Ottoman Empire
|
Àdàkọ:Country data Russian SFSR
|
1918
|
1918
|
Battle of Bear Valley Part of Mexican Revolution
|
United States
|
Yaqui
|
1918
|
1918
|
Finnish Civil War Part of Russian Civil War
|
Finnish White Guards German Empire
|
Finnish Communists Àdàkọ:Country data Russian SFSR
|
1918
|
1918
|
Georgian-Armenian War
|
Democratic Republic of Georgia
|
Democratic Republic of Armenia
|
1918
|
1919
|
German Revolution
|
German Empire
Àdàkọ:Country data Weimar Republic
|
Communist Forces:
Bavarian Soviet Republic
Spartacus League German Communist movements
|
1918
|
1919
|
Greater Poland Uprising
|
Poland
|
German Empire
|
1918
|
1919
|
Polish-Ukrainian War
|
Poland
|
West Ukrainian People's Republic
|
1918
|
1920
|
Georgian-Ossetian Conflict
|
Transcaucasian Democratic Federative Republic
Democratic Republic of Georgia
|
Pro-Bolshevik Ossetian rebels
|
1918
|
1920
|
Armenian-Azerbaijani War
|
Azerbaijan Democratic Republic
Àdàkọ:Country data Ottoman Empire (1918 only)
Àdàkọ:Country data 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
|
Estonia
White Russia
Latvia
United Kingdom
Àdàkọ:Country data Ingria
Ober Ost
Finnish, Swedish and Danish volunteers
|
Àdàkọ:Country data Russian SFSR
Estonian Commune
Àdàkọ:Country data Latvian Socialist Soviet Republic
|
1918
|
1920
|
Latvian War of Independence
|
Latvia
Estonia
Poland
United Kingdom France
|
Àdàkọ:Country data Russian SFSR
Àdàkọ:Country data Latvian Socialist Soviet Republic
|
1918
|
1920
|
Lithuanian War of Independence
|
Lithuania
Baltic nobility
|
Àdàkọ:Country data Russian SFSR
Lithuanian-Byelorussian SSR
|