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June 28 |
Assassination of Archduke Franz Ferdinand, heir to the throne of
Austro-Hungarian empire, in Sarajevo, Bosnia |
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July 28 |
Austria-Hungary declares war on Serbia |
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July 29 - December 9 |
Austria-Hungary repeatedly invades Serbia but is repeatedly repulsed |
|
August 1 |
Outbreak of war
Germany declares war on Russia |
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August 3 |
Germany declares war on France |
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August 4 |
Germany invades neutral Belgium |
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August 4 |
Britain declares war on Germany |
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August 4 |
US President Woodrow Wilson declares policy of US neutrality |
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August 14 |
Battle of the Frontiers begins |
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August 17-19 |
Russia invades East Prussia |
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August 23 |
Japan declares
war on Germany |
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August 23 - September 2 |
Austria-Hungary invades Russian Poland (Galicia) |
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August 26-30 |
Battle of Tannenberg, which Russia loses; Germany's greatest success of
the war on Eastern Front |
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September 5-10 |
First Battle of Marne, halts German advance, resulting in stalemate and trench warfare |
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September 9-14 |
First Battle of Masurian Lakes, which Russia again loses |
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September 14 |
First Battle of Aisne begins |
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September 15 - November 24 |
The "race to the sea", trenches appear on September 15 |
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September 17-28 |
Austro-German attack western Poland |
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October 14 - November 22 |
First Battle of Ypres |
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October 29 |
Turkey enters the war on the side of the Central Powers |
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December 8 |
Battle of the Falkland Islands |
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December 21 |
First German air raid on Britain |
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December 25 |
Unofficial Christmas truce declared by
soldiers along the Western Front |