Participants in World War I
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2008-05-29T17:27:18Z
Volker89
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/* Neutral states */ State flag of Persia.
[[Image:Europe 1914.jpg|right|thumb|300px|European military alliances in 1915. The [[Central Powers]] are depicted in puce, the [[Allies of World War I|Allies]] in grey and neutral countries in yellow.]]
[[Image:WWI.png|thumb|300px|Map of the World with the Participants in World War I. The [[Allies of World War I|Allies]] are depicted in green, the [[Central Powers]] in yellow, and neutral countries in grey.]]
This is a list of countries that participated in [[World War I]], sorted by alphabetical order.
==The [[Triple Entente|Entente]] Forces==
Note: The '''Entente Forces''' are sometimes also referred to as the '''Entente Powers''' or [[Allies of World War I]].
* {{flagicon|Albania|1914}} [[Principality of Albania|Albania]]
* {{flag|Andorra}}
* {{flagicon|Armenia|1918}} [[Democratic Republic of Armenia]]
* {{flag|Belgium|state}}
* {{flag|Bolivia|state}}
* {{flag|Brazil|1889}}
* {{flagicon|United Kingdom}} [[British Empire]]{{ref|BritishEmpire}}
** {{flagicon|Australia}} [[Military history of Australia during World War I|Australia]]
** {{flagicon|Canada|1868}} [[Military History of Canada during WWI|Canada]]
** {{flagicon|India|British}} [[British Raj|Indian Empire]] (Now [[Bangladesh]], [[India]] and [[Pakistan]])
** {{flag|Newfoundland}}
** {{flagicon|New Zealand}} [[Dominion of New Zealand|New Zealand]]
** {{flagicon|South Africa|1910}} [[Union of South Africa]]
** {{flagicon|United Kingdom}} [[United Kingdom of Great Britain and Ireland]]
** {{flagicon|United Kingdom}} [[British overseas territories|British crown colonies]]
* {{flagicon|Republic of China|1912}} [[History of the Republic of China#World War I and Manchu Restoration|Republic of China]]
* {{flag|Costa Rica|state}}
* {{flagicon|Bohemia}} [[Czechoslovak Legions]]
* {{flag|Cuba}}
* {{flag|Ecuador}}
* {{flag|France}}
* {{flagicon|Greece|old}} [[Kingdom of Greece]]
* {{flag|Guatemala}}
* {{flag|Haiti}}
* {{flag|Honduras}}
* {{flagicon|Italy|1861}} [[Kingdom of Italy (1861-1946)|Kingdom of Italy]]
* {{flagicon|Empire of Japan}} [[Japan during World War I|Empire of Japan]]
* {{flag|Liberia}}
* {{flagicon|Montenegro|1910}} [[Kingdom of Montenegro]]
* {{flag|Nicaragua}}
* {{flag|Panama}}
* {{flag|Peru|1825}}
* {{flagicon|Portugal}} [[Portugal in the Great War|Portugal]]
* {{flagicon|Romania}} [[Kingdom of Romania]]
* {{flag|Russian Empire}}
* {{flag|San Marino}}
* {{flagicon|Serbia|1882}} [[History of Modern Serbia#Serbia in World War I|Kingdom of Serbia]]
* {{flagicon|Thailand}} [[History of Thailand (1768-1932)#Vajiravhud and the ascent of elite nationalism|Siam]] (now [[Thailand]])
* {{flag|Uruguay}}
* {{flag|United States of America|1912}}
==The [[Central Powers]]==
* {{flag|Austria-Hungary}}
* {{flagicon|Bulgaria|1878}} [[Kingdom of Bulgaria|Bulgaria]]
* {{flag|German Empire}}
* {{flag|Ottoman Empire}}
==Neutral states==
* {{flag|Afghanistan|1901}} - Did not support or oppose any nation.
* {{flag|Argentina}}
* {{flag|Colombia}}
* {{flag|Denmark}} - Traded with both sides.
* {{flag|El Salvador}}
* {{flagicon|Ethiopia|1897}} [[Ethiopian Empire|Ethiopia]]
* {{flagicon|Luxembourg}} [[German occupation of Luxembourg in World War I|Luxembourg]] - Never declared war on the Central Powers despite being invaded and occupied by Germany.
* {{flag|Mexico|1899}} - Declined an alliance with Germany (see [[Zimmermann Telegram]]).
* {{flagicon|Netherlands}} [[History of the Netherlands: modern history (1900-present)#World War I|Netherlands]] - An Ally of the UK by treaty.
* {{flag|Norway}} - Gave naval assistance to the UK.
* {{flag|Paraguay}}
* {{flagicon image|Flag of Persia (1910).svg}} [[Qajar dynasty|Persia]] - Occupied by British and Russian troops.
* {{flagicon|Spain|1785}} [[Spain under the Restoration|Spain]] - Also treaty bound ally to the UK.
* {{flag|Sweden}} - Financially supported Germany.
* {{flag|Switzerland}} - Switzerland did declare a "state of siege".
* {{flag|Tibet}}
* {{flag|Venezuela|1905}} - Supplied the Allies with oil.
==Declarations of War==
[[Image:World War I 1914 08 04.png|thumb|300px|Allies and Central Powers, early August 1914.]]
[[Image:World War I 1918 05.png|thumb|300px|Allies and Central Powers, mid 1918.]]
The following table shows the timeline of the several declarations of war {{ref|decwars}} among the belligerent powers.
{| class="wikitable"
|-
! Date
! Declarer
! On
|-
! colspan="3" | [[1914]]
|-
| [[July 28]]
| Austria-Hungary
| Serbia
|-
| [[August 1]]
| Germany
| Russia
|-
| [[August 3]]
| Germany
| France
|-
| rowspan="2" | [[August 4]]
| Germany
| Belgium
|-
| United Kingdom
| Germany
|-
| [[August 5]]
| Montenegro
| Austria-Hungary
|-
| rowspan="2" | [[August 6]]
| Austria-Hungary
| Russia
|-
| Serbia
| Germany
|-
| [[August 9]]
| Montenegro
| Germany
|-
| [[August 11]]
| France
| Austria-Hungary
|-
| [[August 12]]
| United Kingdom
| Austria-Hungary
|-
| [[August 22]]
| Austria-Hungary
| Belgium
|-
| [[August 23]]
| Japan
| Germany
|-
| [[August 25]]
| Japan
| Austria-Hungary
|-
| [[November 1]]
| Russia
| Ottoman Empire
|-
| [[November 2]]
| Serbia
| Ottoman Empire
|-
| [[November 3]]
| Montenegro
| Ottoman Empire
|-
| [[November 5]]
| United Kingdom<br />France
| Ottoman Empire
|-
! colspan="3" | [[1915]]
|-
| [[May 23]]
| Italy
| Austria-Hungary
|-
| [[June 3]]
| San Marino
| Austria-Hungary
|-
| [[August 21]]
| Italy
| Ottoman Empire
|-
| [[October 14]]
| Bulgaria
| Serbia
|-
| [[October 15]]
| United Kingdom<br />Montenegro
| Bulgaria
|-
| [[October 16]]
| France
| Bulgaria
|-
| [[October 19]]
| Italy<br />Russia
| Bulgaria
|-
! colspan="3" | [[1916]]
|-
| [[March 9]]
| Germany
| Portugal
|-
| [[March 15]]
| Austria-Hungary
| Portugal
|-
| rowspan="2" | [[August 27]]
| Romania
| Austria-Hungary
|-
| Italy
| Germany
|-
| [[August 28]]
| Germany
| Romania
|-
| [[August 30]]
| Ottoman Empire
| Romania
|-
| [[November 1]]
| Bulgaria
| Romania
|-
! colspan="3" | [[1917]]
|-
| [[April 6]]
| United States
| Germany
|-
| [[April 7]]
| Cuba
| Germany
|- style="background:#f9f999"
| [[April 10]]
| Bulgaria
| United States
|- style="background:#f9f999"
| [[April 13]]
| Bolivia
| Germany
|- style="background:#f9f999"
| [[April 20]]
| Ottoman Empire
| United States
|-
| [[July 2]]
| Greece
| Germany<br />Austria-Hungary<br />Ottoman Empire<br />Bulgaria
|-
| [[July 22]]
| Thailand
| Germany<br />Austria-Hungary
|-
| [[August 4]]
| Liberia
| Germany
|-
| [[August 14]]
| China
| Germany<br />Austria-Hungary
|- style="background:#f9f999"
| [[October 6]]
| Peru
| Germany
|- style="background:#f9f999"
| [[October 7]]
| Uruguay
| Germany
|-
| [[October 26]]
| Brazil
| Germany
|-
| [[December 7]]
| United States
| Austria-Hungary
|- style="background:#f9f999"
| [[December 7]]
| Ecuador
| Germany
|-
| [[December 10]]
| Panama
| Austria-Hungary
|-
| [[December 16]]
| Cuba
| Austria-Hungary
|-
! colspan="3" | [[1918]]
|-
| [[April 23]]
| Guatemala
| Germany
|-
| [[May 8]]
| Nicaragua
| Germany<br />Austria-Hungary
|-
| [[May 23]]
| Costa Rica
| Germany
|-
| [[July 12]]
| Haiti
| Germany
|-
| [[July 19]]
| Honduras
| Germany
|-
| [[November 10]]
| Romania
| Germany
|}
==Notes==
#{{note|BritishEmpire}} The [[British Empire]] was the common term for the United Kingdom and its overseas possessions at this time. The term refers to the colonies it controlled, to the [[British Raj|Indian Empire]], which, while not officially designated a colony, was functionally indistinguishable from one, and the British [[Dominions]] - former colonies which were self-governing in most respects but whose foreign policy was controlled by London; [[Canada]], [[Australia]], [[Dominion of Newfoundland|Newfoundland]], [[New Zealand]] and [[Union of South Africa|South Africa]].
#{{note|decwars}} Entries on a yellowish background refer to severed diplomatic relations only, not to actual declarations of war
== See also ==
* [[Allies of World War I]]
* [[Triple Entente]]
* [[Triple Alliance]]
* [[Central Powers]]
{{portal|World War I}}
[[Category:World War I by country]]
[[ja:第一次世界大戦の参戦国]]
[[sr:Учесници у Првом светском рату]]
[[tr:I. Dünya Savaşı'na katılan ülkeler]]