In 1915, the battlefields of World War I witnessed a horrifying innovation — the first large-scale deployment of chlorine gas, marking the beginning of modern chemical warfare.

World War I Commemoration Will Take Fresh Look at Gen. Pershing The centennial of the United States' entry into that war will be modestly commemorated this year, with a big Missouri twist.

Also called The Great War, World War I was one of the deadliest conflicts in history, and set the stage for another world war just 20 years later.

After years of preparation, the completed National World War I Memorial, featuring a 60-foot-long bronze relief sculpture dramatizing the horrors of war, will be unveiled this month in Washington ...

The historical series, which is available to stream on Amazon Prime, follows the lives of volunteer nurses and medical staff ...

The BBC period drama has received widespread acclaim by fans online who have been binge-watching the series on repeat ...

2. “Never think that war, no matter how necessary, nor how justified, is not a crime.” — Ernest Hemingway, 1946 Hemingway was 18 years old when he volunteered to be an ambulance driver for ...

April 6 marks 100 years since the U.S. entered World War I. Years before, the U.S. supported the effort by sending over thousands of horses, which were so important that Germans plotted to kill them.