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WWI (new countries (austria, hungary, Czechoslovakia, Finland, Yugoslavia,…
WWI
new countries
austria
hungary
Czechoslovakia
Finland
Yugoslavia
Latvia
Poland
Estonia
Lithuania
Battles
Battle of Gallipoli
Battle of Passchendaele
Battle of Ypres
Battle of Somme
Battle of Marne
technology
planes
artillery
vehicle
Countries involved
russia
france
UK
Serbia
Germany
Austria-Hungary
Italy