War and Revolution 1914-1919 By CSBBCavaness Jun 28, 1914 Archduke Francis Ferdinand assassinated Jul 1, 1914 The first battle of the Somme Jul 28, 1914 Austria-Hungary declares war on Serbia Jul 28, 1914 Czar Nicholas 2 orders partial mobilization of the russian army against Austria-Hungary Aug 1, 1914 Germany declares war on Russia Aug 3, 1914 Germany declares war on France Aug 4, 1914 Great Britain declares war on Germany Aug 19, 1914 President Wilson declares the U.S will remain neutral Aug 26, 1914 The battle of theTannenberg begins Sep 5, 1914 The first battle of the Marne begins Oct 19, 1914 The battle of Ypres begins Nov 3, 1914 The UK declares the North sea is a military area and creates a blockade so goods cannot get to Germany Dec 24, 1914 The unnoffical christmas true declared Feb 4, 1915 Germany declares a war zone around Great Britain. Essentially making a submarine blockade to prevent merchant ships to get to the UK. Feb 19, 1915 The Dardanelles campain begins. Apr 22, 1915 The second battle of Ypres begins. This is the first battle where poison gas is used. Apr 25, 1915 The battle of Gallipoli begins. Sep 29, 1918 General Ludendorff's gamble had failed. He informed German leaders that the war was lost. Nov 11, 1918 The new German government sigms an armistice (a truce, an agreement to end the fighting)