Outbreak of World War I
HISTORY.com Editors Keystone-France/Gamma-Rapho via Getty Images Published: August 24, 2018Last Updated: February 02, 2026 Table of contents 1 Europe by 19142The Assassination...
Month: August 2026
How the Radium Girls Forced Workplace Safety Reforms
The factory workers painted luminous numbers on watches, clocks and instrument dials using radium-laced paint—and then sued as they faced...
US Entry Into World War I
Table of contents 1 World War I Begins2Central Powers3Lusitania Sinks4'America First'5Submarine Warfare Resumes6Zimmermann Telegram7America Declares War on Germany8Sources When World...
The Dancer Who Became WWI’s Most Notorious Spy
Mata Hari spent much of her career claiming that she was raised as an Indian temple dancer. In reality, however,...
London’s World War I Zeppelin Terror
Before London was blitzed in World War II, massive German zeppelins rained bombs and terror upon the British capital in...
WWI’s Christmas Truce: When Fighting Paused for the Holiday
On Christmas Eve 1914, in the dank, muddy trenches on the Western Front of the first world war, a remarkable...
How Airplanes Were Used in World War I
The airplane had existed for little more than a decade by the outbreak of World War I, but both sides...
How German U-Boats Were Used in WWI—and Perfected in WWII
The most formidable naval weapons in both world wars, German submarines devastated trans-Atlantic shipping while sinking more than 6,000 merchant...
Going to Summer Camp in 1913 Meant Practicing for World War I
In the years leading up to World War I, audiences flocked to silent movie theaters and danced to ragtime. But...
World War I
World War I—also known as the Great War—pitted Germany, Austria-Hungary and the Ottoman Empire against Great Britain, the United States,...
