World War l By BlueFace_Zary Jun 28, 1914 Assassination of Archduke Fernand Archduke Jul 31, 1914 Declaration of a State of War state of war Aug 6, 1914 FIRST BATTLE OF THE MARNE Marne Sep 4, 1914 Declaration of the Triple Entente [Triple Entente](://www.loc.gov/law/help/digitized-books/world-war-i-declarations/foreign.php) Feb 24, 1916 Battle Of Verdun Verdun Period: Jul 1, 1916 to Nov 18, 1916 Battle of the Somme Somme Feb 25, 1917 Zimmerman Telegram Zimmerman Aug 14, 1917 Declaration of War Against Germany Germany May 23, 1918 Declaration of War Against Germany Germany Jun 6, 1918 Battle of Belleau Wood Belleau Aug 8, 1918 BATTLE OF AMIENS Amiens Sep 19, 1918 BATTLE OF MEGIDDO Megiddo Nov 11, 1918 Armistice Day Armistice Day Jun 28, 1919 Treaty of Versailles Versailles
