World War l By t_thompson Jun 28, 1914 Assassination of Archduke Franz Ferdinand Ferdinand and his wife, Sophie, were killed by Gavrilo Princip, on the way to Sarajevo. Jul 28, 1914 Austria-Hungary declares war on Serbia After Archduke died, Austria-Hungary declared war on Serbia. This was the beginning of World War 1 Aug 26, 1914 Battle of Tannenburg Between the Russian empire and the German empire Sep 6, 1914 First Battle of the Marne The trench warfare came into being, and marked the end of the German sweep into France Dec 25, 1914 Christmas Truce Both sides stopped fighting and celebrated Christmas together Jan 1, 1915 Russia, France, and Great Britain go to war against Germany and Austria-Hungary The Allies went against the Central Powers Feb 19, 1915 Battle of Gallipoli starts in Turkey The first lord Admiral wanted to attack Turkey, since it was the weaker ally of all central powers. Apr 24, 1915 Armenian Genocide It was full of massacres and many deaths occured. May 17, 1915 Sinking of the Lusitania A torpedo was fired into the side of the ship, which led it to sinking. Sep 17, 1915 British Blockade of German ports begins It was to complete a blockade on Germany, which was successful Feb 21, 1916 The Battle of Verdun Fought between Germany and France during the First World War on the western front. Mar 3, 1916 Treaty of Brest-Litvosk Brought the end of the war between Russia and Germany Jul 1, 1916 Battle of the Somme The Allied attacked on the western front, with a record of the most kills on the first day, Jan 9, 1917 German policy of unrestricted submarine warfare One of the reasons the United States joined the war, Restricted submarine warfare Jan 16, 1917 Zimmerman Note Proposed from the German Empire to Mexico to make war against the United States Feb 1, 1917 Bolshevik Revolution Russians were discouraged with the outcomes of the war and injuries, so they wanted to get back. Apr 1, 1917 Mutiny breaks out among French and German soldiers Took place on the Western Front and over one million French soldiers had been killed Apr 6, 1917 United States enters war The U.S. joined Britain, France, and Russia to fight in World War 1 Jan 8, 1918 President Wilson's Fourteen Points Plan It was made for peace which later became the basis for peace negotiations Jul 15, 1918 Allies defeat Germany at the 2nd Battle of the Marne The last major war for Germany on the Western Front. It was the turning point in the war in the front Aug 1, 1918 Spanish Influenza A disease that killed more people than the Great War, where 20 to 40 million people died Nov 11, 1918 Armistice Signed It was the final end of World War 1 Jan 1, 1919 Trench Warfare Underway on the Western front Trenches on the Western front were in very poor condition, which made living hard for the soldiers Jan 18, 1919 Russia, France, and Great Britain go to war against Germany and Austria-Hungary It was to negotiate peace treaties between Allies and the Central Powers May 7, 1919 Treaty of Versailles It forced Germany to give up territories to Czech Republic, and Poland.