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Archduke Franz Ferdinand Assassinated.
Franz Ferdinand was shot alongside his wife by a man named Princip, He shot them because he was apart of the group 'The black hand group, the Bosnians wanted to be a segregrated country from austria-hungary. Historians believe this is the true reasons but there was tension between the countries rising. -
Germany Pledges support for its ally Austria-Hungary.
Germany was allied with Austria-Hungary, with the murder of Franz Ferdinand Austria-Hungary knew they would need support. About 1 week after the assassination, The Austrian Foreign ministry sent an envoy to Berlin to ask for assistance, leading to the war. -
Austria-Hungary presents ultimatum to Serbia.
Almost one month after the war, Austria presents the ultimatum to Serbia, the ultimatum has 10 instructions for the serbians to agree with, they agreed with all of them accept number 6, That they could not have Austrian police in serbia. -
Austria-Hungary declares war on Serbia.
Austria was not happy about Serbia denying the sixth number on the ultimatum they declared war on Serbia! -
Russia mobilises its troops to support its ally Serbia.
Russia and Serbia were allied, which caused the Russians to come to war to support there ally. There are many allies and enemies which made the war get bigger and bigger! -
Germany declares war on Russia.
Germany was supporting Austria, but Russia was against them and supporting the Serbians, so Germany had no option but to declare war on Russia. -
Germany declares war on France and invades Belgium.
Germany and France declare war on eachother just 2 days after Germany declared war on Russia! Germany had a plan too bring all there troops to the war through Belgium, Germany sent an ultimatum to Belgium saying the must pass through the city. -
Britain declares war on Germany in response to the invasion of neutral Belgium and in support of its ally France. Australia, New Zealand and Canada enter war in support if Britain.
Britain had a huge alliance and were confident about entering the war. Because Germany declared war on France, the Triple Alliance were now in the war. -
Austria-Hungary declares war on Russia. Serbia declares war on Germany.
On the 6th of August the nations/countries declared war on each others alliances, this happened to make the war bigger as there were more nations as enemies. -
Britain and France declare war on Austria-Hungary.
Britain and France declare war on Austria-Hungary to support Serbia, This event was the first time both allies were fighting against eachother. The first WORLD war.