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June 28, 1914.

Ferdinand is assassinated by the Black Hand because of his perceived threat to Serbian independence.

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The demands were specifically made to be as unacceptable as possible.

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Austria presents Serbia with an ultimatum, backed by Germany.

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Austria presents Serbia with an ultimatum, backed by Germany.

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July 23, 1914.

After the assassination of Archduke Ferdinand, Austria issued Serbia with an ultimatum to prevent an escalation or war.

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July 25, 1914.

2 days later, Serbia accepted all but 1 or 2 of Austria’s demands, those few being minor clauses.

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Austria was encouraged by Germany to declare war on them.

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Austria rejects Serbia’s offer and declares war on them.

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Austria rejects Serbia’s offer and declares war on them.

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July 28, 1914.

Austria felt that it had no choice but to assert its dominance against Serbia, despite the ultimatum. They wanted to squash support for Serbian nationalism.

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Russian leaders order mobilization of troops and move them toward the Austrian-border. Tzar Nicolas II tells Kaiser Wilhelm II that the moves are only a precaution.
 

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Russian leaders order mobilization of troops and move them toward the Austrian-border. Tzar Nicolas II tells Kaiser Wilhelm II that the moves are only a precaution.
 

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July 30, 1914.

Despite not being allies with Serbia, Russia wanted to deter Austria from invading them by playing troops near their border.

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Germany demands that France stay neutral, but France backs its ally, Russia.

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Germany demands that France stay neutral, but France backs its ally, Russia.

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July 31, 1914.

Austria had Germany’s support, so when Russia mobilized near Austria, Germany stepped in, telling Russia to stop mobilizing and for France to stay neutral. France did not listen.

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A news article revealing Germany had declared war on Russia.

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August 1, 1914.

Germany was very annoyed with what Russia was doing, so in response, they tried to declare war on Russia to let Austria go to war with Serbia.

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A news article revealing Germany had declared war on France.

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August 3, 1914.

Germany declares war on France because of France backing up Russia.

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August 4, 1914.

Germany was planning to invade France, but they needed to get there. So, they just decided to invade Belgium first. The result was a German victory.

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A news article revealing Great Britain had declared war on Germany.

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Great Britain honors a treaty guaranteeing Belgium’s neutrality, and declares war on Germany.

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Great Britain honors a treaty guaranteeing Belgium’s neutrality, and declares war on Germany.

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August 4, 1914.

Great Britain tried to stay neutral in the European conflict, but the invasion of Belgium tipped them into favor against Germany. So, they declared war against them.