December 15, 2019
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Vassa Y10 - Timeline
⟶ Updated 25 days ago ⟶
List of edits
The assassination of Archduke Franz Ferdinand and his wife in Sarajevo in Bosnia.
Austro-Hungarian envoy Count Hoyos travels to Berlin.
Austro-Hungarian Ministerial Council decides on ultimatum to Serbia.
Austria issues an ultimatum to Serbia.
Serbia replies to the ultimatum.
Britain proposes a mediation conference.
Austria-Hungary declares war on Serbia. Wilhelm II proposes ‘Halt in Belgrade’.
Tsar Nicholas II authorizes Russian general mobilization for the next day.
Germany declares war on Russia.
Britain declares war on Germany.
Austria-Hungary declares war on Russia.
The Kaiser’s ‘blank cheque’
Rejection of Germany's ultimatum
The demands of Germany
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