Archduke Franz Ferdinand and his wife Sophie, Duchess of Hohenberg (Library of Congress)

On June 28, 1914, heir-apparent to the throne of the Austro-Hungarian Empire Archduke Franz Ferdinand and his wife Sophie, Duchess of Hohenberg, are assassinated in Sarajevo by Gavrilo Princip, a Bosnian Serb and south Slav nationalist.

Austria declares war on Serbia on July 28, 1914, launching a chain reaction. In a few short weeks, the world is at war, ultimately pitting the Triple Entente (France, Russia, and Britain) against the Central Powers (Germany and Austria-Hungary). In an effort to cut off French forces, Germany invades Luxembourg and Belgium in early August with the eventual goal of occupying Paris.

First Battle of the Marne (Pritzker Military Museum & Library)

During the First Battle of the Marne, from September 6 through 12, 1914, the French army and British Expeditionary Force successfully thwart German progress just east of Paris. A major turning point early in the war, by August 1914, the entire Allied army on the Western Front is forced into a general retreat back towards Paris as the German armies continue through France.

RMS Lusitania (Bain Collection, Library of Congress) and an English recruiting poster (Sir Bernard Partridge)

To weaken the British war effort, Germany seeks to cut off U.S. aid to Britain through naval warfare, at its height when the passenger liner RMS Lusitania sets sail from New York for Liverpool. German submarines torpedo and sink the ship on May 7, 1915, killing 1,198 people, including 128 Americans. Germany limits submarine warfare due to U.S. outrage over the incident. Seen at right, a Parliamentary Recruiting Committee poster portrays Justice emerging from the sea, as the Lusitania sinks in the background.

Verdun, France and Battle of the Somme (Pritzker Military Museum & Library)

A German offensive on the French town of Verdun from February 21 through December 18, 1916—the largest and longest battle on the Western Front between the German and French armies—results in nearly one million casualties. The Battle of the Somme—fought by the armies of the British Empire and France against the Germans—begins on July 1, 1916, with the launch of an Allied offensive, initiating the largest battle of the war on the Western Front.

Chicago Tribune, April 3, 1917; Chicago Daily News, 1918

In January 1917, a telegram from German foreign secretary Arthur Zimmermann to U.S. German ambassador Count Johann von Bernstorff—offering financial aid to Mexico if it agrees to partner with Germany on the U.S. entering the war—is intercepted by British intelligence and forwarded to President Woodrow Wilson. The story reaches the public on March 1, as Germany reinstitutes unrestricted submarine warfare. On April 6, 1917, the U.S. declares war on Germany.

American forces land in France on June 25, 1917, and African American troops are the first to arrive, including the 370th Infantry Regiment from Illinois (many from Chicago’s Bronzeville neighborhood).

Second Battle of the Marne (Pritzker Military Museum & Library)

Led by Bolshevik Party leader Vladimir Lenin, leftist revolutionaries launch a takeover of the provisional government on November 6 and 7, 1917, marking the end of the Romanov dynasty and centuries of Russian Imperial rule.

The Second Battle of the Marne is fought on June 2, 1918, with American forces preventing Germans from crossing the Marne River at Château-Thierry.

Meuse-Argonne Offensive (Pritzker Military Museum & Library)

On September 26, 1918, Allied forces launch the Meuse-Argonne Offensive—part of the Hundred Days Offensive, the final series of Allied attacks—covering the entire Western Front between France, Belgium, and Germany. It is the largest and bloodiest attack of the war for the American Expeditionary Forces, involving over one million U.S. soldiers. The French map at the left illustrates the offensive and shows American daily lines of advance, divisions in lines, French colonial troops, enemy defenses, and railroads.

On November 11, 1918, Germany signs the Armistice of Compiègne. In accordance with the agreement, fighting ends at 11:00 a.m., Paris time, ending the war on the Western Front.

Ignace Paderewski and his wife Helena (Library of Congress)

Representatives from the Allied nations—including pianist Ignace Paderewski, newly appointed as prime minister of Poland—along with German authorities sign the Treaty of Versailles on June 28, 1919, signifying the end of the war.

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Death in Venice and The War That Will End War

Thomas Mann’s novella Death in Venice (Der Tod in Venedig) is published in Germany in 1912.

George Bernard Shaw’s Pygmalion is first performed at the Hofburg Theatre in Vienna on October 16, 1913.

In August 1914, H.G. Wells begins publishing a series of articles in London newspapers, later published in the book The War That Will End War.

The New York Times, June 7, 1913, and The Saturday Evening Post (Norman Rockwell)

Pierre Monteux conducts the premiere of Igor Stravinsky’s The Rite of Spring with Sergei Diaghilev’s Ballets Russes at the Théâtre des Champs-Élysées in Paris on May 29, 1913. In Le Figaro, Henri Quittard calls the work, a “laborious and puerile barbarity.”

A painting by Norman Rockwell—Mother’s Day Off—first appears on the cover of The Saturday Evening Post on May 20, 1916.

A family arrives in Chicago (University of Washington)

By 1916, the first wave of the Great Migration is fully underway, with nearly 1.5 million African Americans moving from the southern United States into the northern states, many settling in major cities, including New York, Chicago, Philadelphia, Saint Louis, and Detroit.

Stock and the Orchestra onstage at the Auditorium Theatre, April 24, 1917

Less than three weeks after the U.S. enters the war, second music director Frederick Stock leads the Chicago Symphony Orchestra’s first performances of Gustav Mahler’s Eighth Symphony on April 24, 26, and 28, 1917, at the Auditorium Theatre as part of the Chicago Music Festival. The Orchestra is expanded to 150 players vocalists included six local choruses, two hundred boys from Oak Park and River Forest, and eight soloists. The Chicago Tribune called it “the most important event of its kind the West has ever known.”

During the summer of 1917, International Harvester president Cyrus McCormick, Jr., travels as a government emissary and meets twenty-six-year-old Moscow Conservatory student Sergei Prokofiev at the Winter Palace in Petrograd (now Saint Petersburg).

CSO program book, November 23, 1917

Sixteen-year-old Jascha Heifetz debuts with the Orchestra on November 23, 1917, as soloist in Tchaikovsky’s Violin Concerto. Frederick Stock conducts.

On March 19, 1918, President Woodrow Wilson signs the Standard Time Act into law, implementing daylight saving time and authorizing the Interstate Commerce Commission to define time zones.

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A Time for Reflection—A Message of Peace—a companion exhibit curated by the Rosenthal Archives of the Chicago Symphony Orchestra in collaboration with the Pritzker Military Museum & Library—will be on display in Symphony Center’s first-floor rotunda from October 2 through November 18, and the content also will be presented on CSO Sounds & Stories and the From the Archives blog.

This article also appears here. For event listings, please visit cso.org/armistice.

This exhibit is presented with the generous support of COL (IL) Jennifer N. Pritzker, IL ARNG (Retired), Founder and Chair, Pritzker Military Museum & Library, through the Pritzker Military Foundation.

Additional thanks to Shawn Sheehy and Jenna Harmon, along with the Arts Club of Chicago, Newberry Library, Poetry Foundation, and Ravinia Festival Association.

TOP: Detail of map to illustrate the Meuse-Argonne Offensive, showing American daily lines of advance, divisions in lines, French colonial troops, enemy defenses, and railroads (France, 1918). | Image: Pritzker Military Museum & Library