Question

where is the first world war which country​

Answer 1

In 1915, Italy joined the Allied Powers and opened a front in the Alps. Bulgaria joined the Central Powers in 1915 and Greece joined the Allies in 1917, expanding the war in the Balkans.

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Answer 2

Military deaths by country.

Franco-Prussian War 1870–1871

Assassination of Franz Ferdinand 1914

July Crisis 1914.