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Assassination of Archduke Franz
Assassination of Archduke Franz Ferdinand, heir to the throne of Austro-Hungarian empire, in Sarajevo, Bosnia -
Began the war
Austria-Hungary declares war on Serbia -
Ended in December 29
Austria-Hungary repeatedly invades Serbia but is repeatedly repulsed -
Russia
Outbreak of war - Germany declares war on Russia -
France
Germany declares war on France -
Belgium
Germany invades neutral Belgium -
Germany
Britain declares war on Germany -
Us President Woodrow
US President Woodrow Wilson declares policy of US neutrality -
Battle of the Frontiers
Battle of the Frontiers begins -
Ended in August 19
Russia invades East Prussia -
Japan in Germany
Japan declares war on Germany -
Ended in September 2
Austria-Hungary invades Russian Poland (Galicia) -
Ended in August 30
Battle of Tannenberg, which Russia loses; Germany's greatest success of the war on Eastern Front -
Ended in September 10
First Battle of Marne, halts German advance, resulting in stalemate and trench warfare -
First Battle of Aisne
First Battle of Aisne begins -
Ended in September 24
The "race to the sea", trenches appear -
Ended in September 28
Austro-German attack on western Poland -
Ended in November 22
First Battle of Ypres -
Turkey enters
Turkey enters the war on the side of the Central Powers -
Falkland Islands
Battle of the Falkland Islands -
German on Britain
First German air raid on Britain -
Christmas truce
Unofficial Christmas truce declared by soldiers along the Western Front -
Ended in September 14
First Battle of Masurian Lakes, which Russia loses