How World War 1 began

  1. Serb Gavrilo Princip shoots heir to Austro-Hungarian Empire, Franz Ferdinand.

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2. Austria declares war on Serbia,

 

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3. Russia declared war on Austria. Russia is an ally of Serbia on account of the two countries being Slavic and orthodox.

 

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4. Germany declared war on Austria. Germany is an ally of Austria.

 

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5. France declared war on Germany. France is an ally of Russia.

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6.Britain declared war on Germany as they were allies of France and Belgium.