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The assassination of Archduke Franz Ferdinand was one of the key events that led to World War I. Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were assassinated on 28 June 1914 by Bosnian Serb student Gavrilo Princip. The assassin was 19-year-old Gavrilo Princip, one of several would-be young assassins who were intent on using violence to destroy Austria-Hungarian rule. -
4th of August Britain issues an ultimatum to Germany which is ignored, which ends in Britain declaring war on Germany and by Britain declaring war on Germany that also means its global empire is at war and you have a conflict set up that becomes very rapidly a world war. . British attempts to restrict U.S. trade, the Royal Navy's impressment of American seamen and America's desire to expand its territory. -
A German U-boat torpedoed the British-owned steamship Lusitania, killing 1,195 people including 128 Americans, on May 7, 1915. The disaster set off a chain of events that led to the U.S. entering World War I. anger at the resulting American deaths increases pressure on President Wilson to enter World War I. -
Democratic U.S. President Woodrow Wilson narrowly defeated Republican Charles E. Hughes in the U.S. presidential election. Republican Jeannette Rankin of Montana became the first woman elected to the United States House of Representatives. -
January 19, 1917, British naval intelligence intercepted and decrypted a telegram sent by German Foreign Minister Arthur Zimmerman to the German Ambassador in Mexico City. -
The United States formally declared war against Germany and entered the conflict in Europe. Fighting since the summer of 1914, Britain, France, and Russia welcomed news that American troops and supplies would be directed toward the Allied war effort. The German declaration of unrestricted submarine warfare in early 1917 contributed to bringing the United States into the war. -
The first American troops land in France. July 1, 1917 - Russian troops begin the Kerensky Offensive attempting to recapture the city of Lemberg (Lvov) on the Eastern Front. sorely needed the relief offered by the American forces -
he Sedition Act covered a broader range of offenses, notably speech and the expression of opinion that cast the government or the war effort in a negative light or interfered with the sale of government bonds. We were involved to extend the Espionage Act of 1917 -
the guns of the First World War ceased firing. an armistice was signed between the Germans and the Allies, ending World War I. November 11th, 1918, the armistice was signed between the Axis and Allies ending the First World War. after more than four years of horrific fighting and the loss of millions of lives, the guns on the Western Front fell silent -
The Versailles Peace Treaty, signed on June 28, 1919, officially ended World War I. Of note, on the same day, five-years earlier the Archduke Franz Ferdinand of Austria was assassinated at Sarajevo, Bosnia, starting the war.