Herbert Hoover calls on Americans to help the war effort and save food; his program is voluntary and does not impose any regulations or rationing.  He states, “The whole foundation of...

Over 250,000 engineers protest long hours, low wages, and shortages of food and fuel.

Long periods in the front line without relief and multiple military setbacks, including a disastrous and failed aggressive assault on the German line, cause thousands of troops to mutiny. For nearly a...

Germans smuggle Vladimir Lenin, leader of the Bolsheviks, back into Russia from his exile in Switzerland, hoping he can spur a mass strike of Russian workers.

The day after an overwhelming majority in the Senate votes for war, President Wilson signs the declaration. The United States quickly puts the entire country on the road to war. Going from a standing...

President Wilson delivers his war message in a historic joint session of the House and Senate, stating that the world must be made “safe for democracy” and asks for a declaration of war.

The American steamer Aztec is torpedoed without warning by a German U-boat as it enters British waters. Twenty-eight Americans drown. ...

Supported by British gunboats traveling up the Tigris River, Anglo-Indian troops continue their advance toward Baghdad; upon arrival they discover the Turks have abandoned the city. Mesopotamia is...

Intercepted weeks earlier by the British intelligence service, the United States is alerted about the Zimmermann Telegram. In the decoded message, German Foreign Minister Arthur Zimmermann promises...

The Democrats run on the slogan, “He kept us out of war.” The Republican candidate, Charles Evans Hughes, is perceived as a warmonger and loses the election.