WWI Timeline: Aedan Raynal By branham Period: Jan 1, 1910 to Dec 31, 1920 ww1 Jun 28, 1914 Archduke Ferdinand dies Aug 4, 1914 Britain declares war on germany Aug 7, 1914 Lord Kitchener and 100,000 armies join Britain Oct 5, 1914 german aircraft shot Oct 15, 1914 battle of ypres Nov 11, 1914 Armistice Dec 25, 1914 Christmas truce Apr 22, 1915 Germany gas attacks Ypres May 7, 1915 sinking of luistania May 31, 1915 Zepplin raid on London Feb 21, 1916 Germans attack verdun May 31, 1916 battle of judeland Jul 1, 1916 Battle of Somme Sep 15, 1916 First use of British tanks First use of British tanks Apr 6, 1917 U.s declares war on germany Jun 25, 1917 U.S troops arrive in france Jul 17, 1917 king george 5 changes to windsor Oct 12, 1917 British attacks passchendaele Nov 9, 1918 Kaiser Wilhelm II of Germany Abdicates Jan 12, 1919 paris peace conference Jun 28, 1919 Treaty of versailes