How long did World War I last? Who fought whom? Journey through the story of the Great War with our Interactive WWI Timeline, covering the world events of 1914‑1920.
This interactive map shows you which countries and territories were involved in the Great War and how they were aligned. Whether they fought with the Allied or the Central Powers, or stayed neutral,
Formally opened on Jan. 18, 1919, the Paris Peace Conference was the international meeting that established the terms of peace after World War I.
At the outset of World War I, women in the United States did not have the right to vote in national elections and could not serve in the military. In keeping with the spirit of the Progressive Era,
On May 7, 1915, the passenger liner Lusitania was sunk by German submarine U-20 in British waters. Of the passengers, 1,198 drowned, including many women and children and 124 U.S. citizens. Public
On March 1, 1917, the American public learned about a German proposal to ally with Mexico if the United States entered the war. Months earlier, British intelligence had intercepted a secret message
Indelibly tied to Americans, “Doughboys” became the most enduring nickname for the troops of General John Pershing’s American Expeditionary Forces, who traversed the Atlantic to join war weary Allied
In his war address to Congress on April 2, 1917, President Woodrow Wilson spoke of the need for the United States to enter the war in part to “make the world safe for democracy.” Almost a year later,
During the course of the Paris Peace Conference, three treaties were signed with members of the former Central Powers, with two additional treaties finalized after the official closing of the
The Hundred Days Offensive was a series of attacks by the Allied troops at the end of World War I. Starting on August 8, 1918, and ending with the Armistice on November 11, the Offensive led to the
When World War I began in July 1914, Italy was a partner in the Triple Alliance with Germany and Austria-Hungary, but decided to remain neutral. However, a strong sentiment existed within the general
At around 11 a.m. today, two shots rang out from a street corner in the center of this city, mortally wounding the archduke Franz Ferdinand, heir to the throne of the Austro-Hungarian Empire and
When World War I broke out in Europe in 1914, President Woodrow Wilson declared the U.S. neutral. By 1917, President Wilson announced, “the world must be made safe for democracy” which brought the
In World War I, one out of every five soldiers in the U.S. Armed Forces was an immigrant. For some it was a path to citizenship. For the nation it proved pivotal to a more inclusive definition of
