The First Battle of the Marne was a battle of the First World War fought from 6 to 12 September 1914. It resulted in an Allied victory against the German armies in the west.
The Second Battle of the Marne was the last major German offensive on the Western Front during the First World War.
The sinking of the Cunard ocean liner RMS Lusitania occurred on Friday, 7 May 1915 during the First World War, as Germany waged submarine warfare against the United Kingdom
Archduke Franz Ferdinand of Austria was killed by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo on June 28, 1914.
One of the bloodiest conflicts of World War One. For more than four months the British and French armies engaged the Germans in a brutal battle of attrition on a 15-mile front.
The Treaty of Versailles was the most important of the peace treaties that brought World War I to an end.