The Battle of the Somme

After two years of trench warfare, the Allies attempt to break through German lines on the Western Front. The ensuing battle will last for months and result in more than one million casualties.

1:36m watch

Related Videos

World War I

World War I: Germans Attack US Navy Boats

After the repeated sinking of American ships, the President declares war. Historic film footage shows some of the first naval battles.

2:27m watch

World War I

Poison Gas During World War I

Learn about the use of poisonous gas during WWI.

2:07m watch

World War I

The Battle of Gallipoli

An ill-fated assault on Turkish forces leads to 500,000 casualties in World War I.

1:38m watch

World War I

World War I Alliances

In the years leading up to WWI, a series of agreements between the powers of Europe helped determine where and when battlelines were drawn.

2:47m watch