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Archduke Franz Ferdinand and his wife, Sophia
Photo Galleries (2)
World War I Leaders
World War I Leaders(16 Photos)
World War I ravaged Europe from 1914 until an armistice was signed in November 1918. In all, more than 9 million soldiers would be killed, and nearly 21 million more wounded.
World War I: Trench Warfare
World War I: Trench Warfare(11 Photos)
Trench warfare reached its highest development on the Western Front during World War I (1914â€“18), when armies of millions of men faced each other in a line of trenches extending from the Belgian coast through northeastern France to Switzerland.
WWI FirstsVideo Clip (1:18)
Video Clip (1:18)
WWI may have been the war to end all wars, but it was also the beginning of many military and civilian technologies.
The Book That Saved a Life
The Book That Saved a LifeVideo Clip (2:53)
Video Clip (2:53)
A copy of the 1913 French pocket edition of Kim by Rudyard Kipling had deflected a bullet and saved the life of Maurice Hamonneau, a French legionnaire and the last survivor of an artillery attack near Verdum, in World War I, by a mere twenty pages.
Allies Launch Disastrous Attack at Gallipoli
Allies Launch Disastrous Attack at GallipoliVideo Clip (1:39)
Video Clip (1:39)
An ill-fated assault on Turkish forces leads to 500,000 casualties in World War I.
Winston ChurchillVideo Clip (2:24)
Video Clip (2:24)
The British Bulldog inspired his countrymen in their fight against Adolf Hitler and helped lead the Allies to victory during World War II.
Trench WarfareVideo Clip (1:14)
Video Clip (1:14)
Although best known for its role in the long slog of World War I, trench warfare actually got its start on the battlefields of the American Civil War. Find out how new weapons and technology played a part in both its development and destruction.
Causes of World War I
Causes of World War IVideo Clip (2:17)
Video Clip (2:17)
By 1914, military tensions and a series of alliances have Europe on the edge of war. In August, the fuse is lit by an assassination in Sarajevo. By war's end, more than 100 countries would be involved in the conflict.
Treaty of Versailles Ends World War I
Treaty of Versailles Ends World War IVideo Clip (1:56)
Video Clip (1:56)
German resentment over harsh peace terms leads to a rise in nationalist sentiment and the eventual rise to power of Adolf Hitler.
U-Boats Sink the Lusitania in 1915
U-Boats Sink the Lusitania in 1915Video Clip (2:04)
Video Clip (2:04)
When Germany torpedoes a British passenger ship believed to be smuggling arms, anger at the resulting American deaths increases pressure on President Wilson to enter World War I.
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Read More about Dardanelles Campaign
In March of 1915, during World War I, British and French forces launched an ill-fated naval attack on Turkish forces in the Dardanelles, hoping to take control of the strategically vital strait separating Europe from Asia.Go
Follow a seemingly disastrous decision to declare war to the glory of the stars and stripes.
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