1916 ⟶ Austria-Hungary Declares War on Portugal

Austria-Hungary declares war on Portugal.
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Year
1914
1916
1917

💣 Austria-Hungary Declares War on Serbia

To my peoples. Austria-Hungary declares war on Serbia.⟶
Austria-Hungary Declares War on Serbia (1914)
Declaration of WarAustria-HungarySerbiaWorld War IJuly CrisisStart of WarBalkan Front
Austria-HungaryAustria-HungarySerbiaSerbia

💥 Austria-Hungary Declares War on Russia

Austria-Hungary declares war on Russia.⟶
Austria-Hungary Declares War on Russia (1914)
Declaration of WarWorld War IEastern FrontAustria-HungaryRussiaDiplomacyAlliancesMilitary Action
Austria-HungaryAustria-HungaryRussiaRussia

🇫🇷 France Declares War on Austria-Hungary

France declares war on Austria-Hungary.⟶
World War IDeclaration of WarWestern FrontFranceAustria-HungaryAlliancesMilitary ActionDiplomacy
FranceFranceAustria-HungaryAustria-Hungary

🇦🇹 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

🇵🇹 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

🇵🇦 Panama Declares War on Austria-Hungary

Panama declares war on Austria-Hungary.⟶
Panama Declares War on Austria-Hungary (1917)
PoliticsWar DeclarationWorld War IPanamaAustria-HungaryAlliancesAmerican Involvement
PanamaPanamaAustria-HungaryAustria-Hungary