1918 ⟶ Costa Rica Declares War on Germany

Costa Rica declares war on Germany.
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Year
1914
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

🇨🇺 Cuba Declares War on Germany

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

📜 Costa Rica Declares War on Germany

Costa Rica declares war on Germany.⟶
Costa Rica Declares War on Germany (1918)
World War ICentral AmericaDeclaration of WarDiplomacyGermanyPolitical HistoryAlliances
Costa RicaCosta RicaGermanyGermany

📜 Guatemala Declares War on Germany

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

📜 Nicaragua Declares War on Germany and Austria-Hungary

Nicaragua declares war on Germany and Austria-Hungary.⟶
Nicaragua Declares War on Germany and Austria-Hungary (1918)
World War ICentral AmericaDeclaration of WarDiplomacyGermanyAustria-HungaryPolitical HistoryAlliances
NicaraguaNicaraguaGermanyGermanyAustria-HungaryAustria-Hungary

🇭🇹 Haiti Declares War on Germany

Haiti declares war on Germany.⟶
Haiti Declares War on Germany (1918)
World War IDeclaration of WarCaribbeanPolitical
HaitiHaitiGermanyGermany