1915United Kingdom Declares War on Bulgaria

The United Kingdom declares war on Bulgaria.
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Year
1914
1915
1916

🇬🇧 United Kingdom Declares War on Austria-Hungary

The United Kingdom declares war on Austria-Hungary.
United Kingdom Declares War on Austria-Hungary (1914)
World War IDeclaration of WarWestern FrontUnited KingdomAustria-HungaryAlliancesMilitary ActionDiplomacy
United KingdomUnited KingdomAustria-HungaryAustria-Hungary

🇬🇧 United Kingdom Declares War on Bulgaria

The United Kingdom declares war on Bulgaria.
United Kingdom Declares War on Bulgaria (1915)
World War IDeclaration of WarUnited KingdomBulgariaAllied PowersCentral Powers
United KingdomUnited KingdomBulgariaBulgaria

🇧🇬 Bulgaria Declares War on Serbia

Bulgaria declares war on Serbia (Details)
Bulgaria Declares War on Serbia (1915)
Eastern FrontSerbiaBulgariaWorld War IDeclaration of WarConflict
SerbiaSerbiaBulgariaBulgaria

🇫🇷 France Declares War on Bulgaria

France declares war on Bulgaria.
France Declares War on Bulgaria (1915)
World War IDeclaration of WarFranceBulgariaAllied PowersCentral Powers
FranceFranceBulgariaBulgaria

🇮🇹 Italy and Russia Declare War on Bulgaria

Italy and Russia declare war on Bulgaria.
Italy and Russia Declare War on Bulgaria (1915)
World War IDeclaration of WarItalyRussiaBulgariaAllied PowersCentral Powers
ItalyItalyRussiaRussiaBulgariaBulgaria

🇧🇬 Bulgaria Declares War on Romania

Bulgaria declares war on Romania.
Bulgaria Declares War on Romania (1916)
World War IEastern FrontBulgariaRomaniaWar DeclarationMilitary ConflictBalkansCentral Powers
RomaniaRomaniaBulgariaBulgaria