Franco-Prussian War: 19 July, 1870
Assassination of Archduke Ferdinand: 28 June, 1914
Battle of Tannenberg Begins: 26 August, 1914
Battle of the Marne begins: 5 September, 1914
First Battle of Ypres begins: 20 October, 1914
First Zeppelin raid on London: 31 May, 1915
Allies land in Gallipoli: 25 April, 1915
Sinking of the Lusitania: 7 May, 1915
Italy enters the War: 23 May, 1915
Battle of Verdun begins: 21 February, 1916
Battle of Jutland begins: 31 May, 1916
Brusilov Offensive begins: 4 June, 1916
Battle of the Somme begins: 1 July, 1916
USA enters the War: 6 April, 1917
Third Battle of Ypres begins: 31 July, 1917
Allenby takes Jerusalem: 8 December, 1917
Russia signs Treaty of Brest-Litovsk: 3 March, 1918
German Spring offensive begins: 21 March, 1918
'Black Day of the German Army': 8 August, 1918
Armistice signed: 11 November, 1918
Paris Peace Conference opens: 12 January, 1919
Key figures in World War I.
