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Who were the first two countries to declare war? Why?

2 Answers

5 votes

Austria-Hungary Vs Serbia

Step-by-step explanation:

Austria-Hungary made first declaration of war against Serbia because of assassination of the Austrian Prince Francis Ferdinand and his wife Sophia on June 28, 1914.

User Shfx
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1 vote

Answer:

Austria-Hungary Vs Serbia

Step-by-step explanation:

Austria-Hungary made first declaration of war against Serbia because of assassination of the Austrian Prince Francis Ferdinand and his wife Sophia on June 28, 1914.

User Bettina
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