AT THE START of the 20th century, the countries of Europe were increasingly hostile to each other. Britain, France, and Germany competed for trade and influence overseas, while Austria-Hungary and Russia both tried.

SIMON ADAMS in association with the IMPERIAL WAR MUSEUM Be an eyewitness to the war that slaughtered millions - from the assassination of an archduke to the killing fields of France.

Divided Europe

The fatal shot

War in the west

Fighting men

Joining up

Digging the trenches

Life in the trenches

Ready to fight

Communication and supplies

Observation and patrol

Bombardment

Over the top

Casualty

Women at war

War in the air

Zeppelin

War at sea

Gallipoli

Verdun

Gas attack

The Eastern Front

War in the desert

Espionage

Tank warfare

The US enters the war

Under enemy lines

The final year

Armistice and peace

The cost of the war

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Key people and places

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Glossary

Index