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America Proclaims Neutrality in World War I
President Woodrow Wilson declared U.S. neutrality on August 4, 1914, and many Americans saw little reason to entangle themselves in what they viewed as European quarreling and intrigue. -
The Battle of the Verdun
Battle of Verdun, (February 21–December 18, 1916), World War I engagement in which the French repulsed a major German offensive. It was one of the longest, bloodiest, and most-ferocious battles of the war; French casualties amounted to about 400,000, German ones to about 350,000. Some 300,000 were killed. -
World War I
The assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, and his wife Sophie in Sarajevo (the capital of the Austro-Hungarian province of Bosnia-Herzegovina) on 28 June 1914 eventually led to the outbreak of the First World War. -
The Battle of the Marne
The Battle of the Marne from September 5 to 12 resulted in an estimated 250,000 French casualties, 12,733 British casualties and 298,000 German casualties. -
The Sinking of the Lusitania
On May 7, 1915, the German submarine (U-boat) U-20 torpedoed and sank the Lusitania, a swift-moving British cruise liner traveling from New York to Liverpool, England. Of the 1,959 men, women, and children on board, 1,195 perished, including 123 Americans. -
The Sussex Incident
torpedoing of a French cross-Channel passenger steamer, the Sussex, by a German submarine, leaving 80 casualties, including two Americans wounded. -
The United States Enters World War I
On April 4, 1917, the U.S. Senate voted in support of the measure to declare war on Germany. The House concurred two days later. The United States later declared war on German ally Austria-Hungary on December 7, 1917. -
The Battle of the Somme
The battle was intended to hasten a victory for the Allies. More than three million men fought in the battle, of whom one million were either wounded or killed, making it one of the deadliest battles in all of human history. -
The Landing of the American Expeditionary Force in France
Although the first American troops arrived in Europe in June 1917, the AEF did not fully participate at the front until October, when the First Division, one of the best-trained divisions of the AEF, entered the trenches at Nancy, France. -
The Re-Election of President Woodrow Wilson
The 1916 United States presidential election was the 33rd quadrennial presidential election, held on Tuesday, November 7, 1916. Incumbent Democratic President Woodrow Wilson narrowly defeated former associate justice of the Supreme Court Charles Evans Hughes, the Republican candidate. Presidential election results map. -
The Election of President Woodrow Wilson
Wilson defeated incumbent Republican William Howard Taft and third-party nominee Theodore Roosevelt to easily win the 1912 United States presidential election, becoming the first Southerner to do so since 1848. -
Armistice Day Ends World War I
On Nov. 11, 1918, after more than four years of horrific fighting and the loss of millions of lives, the guns on the Western Front fell silent. Although fighting continued elsewhere, the armistice between Germany and the Allies was the first step to ending World War I. -
The Interception of the Zimmermann Telegram
On January 17, 1917 British signals intelligence intercepted and decrypted a coded German telegram from German Foreign Secretary Arthur Zimmermann that was intended for Germany's ambassador to Mexico. -
The Declaration of New Unrestricted Submarine Warfare by Germany
On January 31, 1917, Bethmann Hollweg went before the German Reichstag government and made the announcement that unrestricted submarine warfare would resume the next day, February 1: "The destructive designs of our opponents cannot be expressed more strongly. -
The Selective Service Act
The Selective Service Act of 1917 or Selective Draft Act authorized the United States federal government to raise a national army for service in World War I through conscription. -
The Espionage Act
The Espionage Act of 1917 is a United States federal law enacted on June 15, 1917, shortly after the United States entered World War I. It has been amended numerous times over the years. It was originally found in Title 50 of the U.S. Code but is now found under Title 18 -
The Fourteen Points by President Wilson
Designed as guidelines for the rebuilding of the postwar world, the points included Wilson's ideas regarding nations' conduct of foreign policy, including freedom of the seas and free trade and the concept of national self-determination, with the achievement of this through the dismantling of European empires -
The Beginning of the Spanish Flu Epidemic
The 1918–1920 flu pandemic, also known as the Great Influenza epidemic or by the common misnomer Spanish flu, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus. -
Russia Pulls Out of World War I
The Treaty of Brest-Litovsk was a separate peace treaty signed on 3 March 1918 between Soviet Russia and the Central Powers (Germany, Austria-Hungary, the Ottoman Empire, and Bulgaria), by which Russia withdrew from World War I. -
The Passing of the Sedition Act
The final vote for passage was 48 to 26 in the Senate and 293 to 1 in the House of Representatives, with the sole dissenting vote in the House cast by Socialist Meyer London of New York. -
The Battle of Argonne Forest
The Meuse–Argonne offensive was a major part of the final Allied offensive of World War I that stretched along the entire Western Front. It was fought from September 26, 1918, until the Armistice of November 11, 1918, a total of 47 day -
The Paris Peace Conference & Treaty of Versailles
The Treaty of Versailles was the primary treaty produced by the Paris Peace Conference at the end of World War I. It was signed on June 28, 1919, by the Allied and associated powers and by Germany in the Hall of Mirrors in the Palace of Versailles and went into effect on January 10, 1920.