Animated map of the war's western front shows the attacks, counterattacks, and shifts in military strategy that took place along this line of battle over the full course of the World War One.

A collection of images of twenty figures who played key roles in the buildup to World War I.

Pictorial history with captions of World War II spanning the years 1939-1940.

With the use of country flags and benchmark years, this clever illustration shows the declarations of war during the course of World War I.

View the iconic "I Want You" poster, versions of which were used to recruit forces for the U.S. armed services during both world wars. Also view the poster in context, with other posters and broadsides used to send Americans to war.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

An infographic showing what historical trends and events were triggered by the assassination of Archduke Franz Ferdinand in 1914.

Website encompasses every aspect of World War II with particular emphasis on British roles and viewpoints. Resources include a range of audio, visual, and interactive media. Content coverage highlights include the war at sea, the air...

Take a virtual trip to see the USS Yorktown, one of 24 Essex-class aircraft carriers built during World War II for the United States Navy. She is named after the Battle of Yorktown of the American Revolutionary War and is the fourth U.S....

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

world war one

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

In-depth look at World War I. Includes summaries of the war years; sound clips of eye-witness accounts; virtual tours of trenches on the Western Front; maps; articles and overviews; and similar resources.

Article examines the serious wartime trauma shell shock, which affected over 80,000 men in the British armed forces during World War I.

Panoramic reenactment of a World War One dogfight lets you observe the scene in 360 degrees.