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One hundred years ago the United States—a young country with a small army—entered a global conflict the magnitude of which the world had never seen. Although President Woodrow Wilson assured the American population that “the war to end all wars” would be a victory for all mankind, many citizens failed to see the urgency in fighting a war abroad that was sure to be costly in terms of both money and lives.

Weapon on the Wall: American Posters of World War I marks America’s entry into the First World War by exploring one of the most powerful tools the country used to persuade its public to support and sustain the war effort: the poster. Drawing from the Hoover Institution’s world-renowned archive of more than 130,000 posters, the exhibition showcases the boldly graphic environment of 1917–18 and traces the pictorial treatment of the country’s most dire concerns, including enlistment, fear of the enemy, food conservation, morale on the home front, women in the workforce, and fund-raising for victory. Weapon on the Wall explores the lasting impact of poster images and slogans on American art and culture and also highlights the First World War as a landmark media war—an event that ushered in a new era of words as weapons and images as ideas.

Weapon on the Wall: American Posters of World War I opens Wednesday, April 5, and runs through September 2, 2017. The exhibition is open to the public, free of charge, Tuesday–Saturday from 11:00 am to 4:00 pm in the Herbert Hoover Memorial Exhibit Pavilion (next to Hoover Tower) on the Stanford University campus. Parking on campus is free on Saturdays. For directions and parking, click here.

Upcoming Events

Tuesday, November 11, 2025
2025 China's Gaokao exam - stock photo
The Highest Exam: How The Gaokao Shapes China
The Hoover Institution Program on the US, China, and the World invites you to a roundtable on The Highest Exam: How the Gaokao Shapes China on … Shultz Auditorium, George P. Shultz Building
Wednesday, November 12, 2025
Out Of Many, One: Creating A Pluralistic Framework For Civics In Higher Education
The Alliance for Civics in the Academy hosts "Out of Many, One: Creating a Pluralistic Framework for Civics in Higher Education" with Paul Carrese,… Hoover Institution, Stanford University
Thursday, November 20, 2025 12:00 PM Pacific Time
Eastern Europe and Beyond Photo Album
Gallery Talk: Behind The Scenes Of "Eastern Europe And Beyond"
The Hoover Institution Library & Archives invite you to a gallery talk with Archivist Emerita Elena Danielson on Thursday, November 20, 2025,… Hoover Tower, Stanford, California
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