Under the leadership of Army Officer Leonard Wood, the first preparedness training camp was held at Plattsburgh, New York with nearly 1,200 trainees. The camps provided voluntary military training for...

Bryan cannot support the “war like” official message from President Woodrow Wilson to Germany following the sinking of the British passenger ship Lusitania. Bryan had been urging Wilson to take a more...

In April, the American Ambulance Field Service is founded and over 2,000 Americans volunteer for the war effort, where they served in support roles such as ambulance drivers.The American Ambulance...

The U.S. describes Germany's policy as "unprecedented in naval warfare" and an "indefensible violation of neutral rights."...

Beginning July 28, 1914 with Austria-Hungary declaring war on Serbia in retaliation for the assassination of Archduke Franz Ferdinand, a complicated web of alliances plunges the nations of Europe into...

Under President Woodrow Wilson’s orders, and with permission from President Venustiano Carranza of Mexico, General John J. Pershing leads a “punitive” expedition into Mexico in response to attacks by...

“The world must be made safe for democracy. Its peace must be planted upon the tested foundations of political liberty. We have no selfish ends to serve. We desire no conquest, no dominion. We...

President Wilson is inaugurated in a private ceremony on Sunday, March 4, 1917, publicly taking the oath the next day.

“My beloved mother and sister, passengers on the Laconia, have been foully murdered on the high seas. I call upon my government to . . . save others of my countrymen from such deep grief as I now feel...

President Wilson tells a joint session of Congress that Germany’s policy of unrestricted U-boat warfare poses an unacceptable threat to “freedom of the seas.”...