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General John J. Pershing became AEF leader
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John Joseph "Black Jack" Pershing (September 13, 1860 – July 15, 1948) was the general in the United States Army who led the American Expeditionary Forces to victory over Germany in World War I, 1917–18. -
Assassination of Archduke Ferdinand
a teenage Serbian nationalist gunned down Archduke Franz Ferdinand and his wife, Sophie, as their motorcade maneuvered through the streets of Sarajevo. Next in line for the Austro-Hungarian throne, Ferdinand had not been particularly well liked in aristocratic circles -
Schlieffen Plan
The Schlieffen Plan was the operational plan for a designated attack on France once Russia, in response to international tension, had started to mobilise her forces near the German borde -
Trench warfare began
Trench warfare of the First World War can be said to have begun in September 1914 and ended when the Allies made a breakthrough attack that began in late July 1918 -
Christmas Truce along Western Front
The Christmas Truce of 1914 is often celebrated as a symbolic moment of peace in an otherwise devastatingly violent war. -
Germans introduce poison gas
Not giving up, the Germans tried again with an improved tear gas concoction at Nieuport against the French in March 1915. -
Sinking of Lusitania
The sinking of the Cunard ocean liner RMS Lusitania occurred on Friday, 7 May 1915 during the First World War, as Germany waged submarine warfare against the United Kingdom of Great Britain and Ireland. -
Battle of Verdun
The Battle of Verdun, fought from 21 February – 18 December 1916, was one of the largest battles of the First World War on the Western Front between the German and French armie -
Sussex Pledge
The Sussex Pledge was a promise made in 1916 during World War I by Germany to the United States prior to the latter's entry into the wa -
Zimmerman Telegram
On this day in 1917, the text of the so-called Zimmermann Telegram, a message from the German foreign secretary, Arthur Zimmermann, to the German ambassador to Mexico proposing a Mexican-German alliance in the case of war between the United States and Germany, -
President Woodrow Wilson asked for declaration of war
By The Learning Network April 2, 2012 4:02 am April 2, 2012 4:02 am.
Library of CongressPresident Woodrow Wilson asked Congress to declare war on Germany on April 2, 1917. -
Committee on Public Information formed
The Committee on Public Information, also known as the CPI or the Creel Committee, was an independent agency of the government of the United States created to influence U.S. public opinion regarding American participation in World War I. -
Selective Service Act became law
Sheet music cover for patriotic song, 1917.
The Selective Service Act or Selective Draft Act (Pub.L. 65–12, 40 Stat. 76, enacted May 18, 1917) authorized the federal government to raise a national army for the American entry into World War I through the compulsory enlistment of people. -
Battle of Argonne Forest
The Meuse-Argonne Offensive, also known as the Maas-Argonne Offensive and the Battle of the Argonne Forest, was a major part of the final Allied offensive of World War I that stretched along the entire Western Front. -
World War I ended
World War I, also known as the First World War, or the Great War, was a global war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918
