December 25, 1914: Christmas truce on Western Front

December 16, 1914: German fleet shells Scarborough and Hartlepool, England

December 8, 1914: Battle of the Falkland Islands

November 9, 1914: Emden destroyed

November 6, 1914: Britain declares war on Turkey

November 6, 1914: France declares war on Turkey

November 2, 1914: Britain begins blockade of Germany

October 30, 1914: First Battle of Ypres

October 29, 1914: Turkey enters war on the German side

October 9, 1914: Germans capture Antwerp

September 15, 1914: First trenches of the war dug on Western Front

September 15, 1914: Australians seize New Guinea

September 5, 1914: Battle of the Marne

August 28, 1914: Battle of Heligoland Bight

August 26, 1914: Russians defeated at Battle of Tannenberg

August 3, 1914: Germany declares war on France

August 3, 1914: Germany invades Belgium

August 3, 1914: Britain declares war on Germany

August 6, 1914: Austria-Hungary declares war on Russia

August 7, 1914: British troops arrive in France

August 10, 1914: France declares war on Austria-Hungary

August 12, 1914: Britain declares war on Austria-Hungary

August 17, 1914: Russians invade East Prussia

August 23, 1914: Germans invade France

August 23, 1914: Battle of Mons

August 23, 1914: Japan declares war on Germany

August 2, 1914: Germany invades Luxembourg

August 1, 1914: German-Turkish treaty signed

August 1, 1914: Italy declares neutrality

August 1, 1914: Germany mobilizes

August 1, 1914: Germany declares war on Russia

July 30, 1914: Russia begins general mobilization

July 28, 1914: Austria-Hungary declares war on Serbia

June 28, 1914: Assassination at Sarajevo