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World War 1
Austria-Hungary declares war on Serbia -
World War 1
-- Germany declares war on Russia. -
World War 1
Germany declares war on France -
World War 1
The United Kingdom declares war on Germany, after Germany invades Belgium. -
World War 1
Austria-Hungary declares war on Russia and Serbia declares war on Germany. -
World War 1
The Battle of Tannenberg begins. -
World War 1
Battle of the Ypres