1916 ⟶ Germany Declares War on Portugal; Portugal Enters the War

Germany declares war on Portugal. Portugal officially enters...
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Year
1914
1916
1917
1918

🇲🇪 Montenegro Declares War on Germany

Montenegro declares war on Germany.⟶
Montenegro Declares War on Germany (1914)
World War IDeclaration of WarBalkansMontenegroGermanyAlliancesMilitary Involvement
MontenegroMontenegroGermanyGermany

🇵🇹 Germany Declares War on Portugal; Portugal Enters the War

Germany declares war on Portugal. Portugal officially enters the war. (Details)⟶
Germany Declares War on Portugal; Portugal Enters the War (1916)
World War IPortugalGermanyDeclaration of WarColonial InvolvementAfricaEuropean Front
GermanyGermanyPortugalPortugal

🇦🇹 Austria-Hungary Declares War on Portugal

Austria-Hungary declares war on Portugal.⟶
Austria-Hungary Declares War on Portugal (1916)
World War IAustria-HungaryPortugalDeclaration of WarEuropean FrontMilitary Alliances
Austria-HungaryAustria-HungaryPortugalPortugal

🇺🇸 United States Declares War on Germany

The United States declares war on Germany. (Details)⟶
United States Declares War on Germany (1917)
United States EntryWorld War IDeclaration of WarGermanyAmerican Expeditionary ForceNeutralityInternational RelationsWestern FrontMilitary Intervention
United StatesUnited StatesGermanyGermany

🇨🇺 Cuba Declares War on Germany

Cuba declares war on Germany.⟶
Cuba Declares War on Germany (1917)
CubaWorld War IDeclaration of WarGermanyInternational RelationsAllianceCaribbeanMilitary Involvement
CubaCubaGermanyGermany

📜 Guatemala Declares War on Germany

Guatemala declares war on Germany.⟶
Guatemala Declares War on Germany (1918)
World War ICentral AmericaDeclaration of WarDiplomacyGermanyPolitical HistoryAlliances
GuatemalaGuatemalaGermanyGermany