First World War

A British officer with the Armenians, Baku, August 1918

Dunsterforce in the Caucasus

In 1918, the British assembled a handpicked unit to carry out a daring secret mission to the Caucasus. Their aim was to unify into an effective force the various anti-Bolshevik and anti-Turkish groups fighting there.

Private William Bowyer of 1/1st Buckinghamshire Yeomanry (Royal Bucks Hussars), 1915

Senussi Revolt

During the First World War, the British position in Egypt was threatened by rebellious Senussi tribesmen. The campaign against them took place in the unforgiving climate of the Western Desert.

The Nigerian Regiment Artillery with a field gun,

West Africa campaign

In February 1916, the Allies finally completed the conquest of Germany’s West African colonies. One of the First World War’s forgotten sideshows, this campaign was fought in hostile terrain and disease-ridden jungles.

A six-inch howitzer of 127th Siege Battery, Royal Artillery, Salonika, 1917

Salonika campaign

From 1915 to 1918, British troops were part of a multi-national Allied force fighting the Bulgarians and their allies in the Balkans. Despite harsh conditions, they eventually brought the campaign to a successful conclusion.

Indian troops passing through a communication trench on the Mesopotamian Front, 1917.

The Commonwealth and the First World War

Over 3 million soldiers and labourers from across the Empire and Commonwealth served alongside the British Army in the First World War.

V Beach at Cape Helles, April 1915

Gallipoli campaign

Gallipoli was the first major amphibious operation in modern warfare. In 1915, British Empire and French troops landed on the Ottoman-held peninsula in the Dardanelles Straits with disastrous consequences for the Allies.

The South African Engineer Corps bury a comrade, 1915

South-West African campaign

On 9 July 1915, enemy forces in German South-West Africa (now Namibia) surrendered to the Allies. This marked the final stage of a short but successful campaign of manoeuvre fought in extremely harsh conditions.

Landing troops from transports at Lao Shan Bay, September 1914

Siege of Tsingtao

In the autumn of 1914, British soldiers fought alongside the Japanese in China. Their goal was the German naval base at Tsingtao, which finally fell in November after a two-month siege.

A 15-inch howitzer being prepared for action on the Somme, 1 July 1916

1916: Year of attrition

1916 witnessed two of the longest and most notorious battles of the First World War. Both resulted in hundreds of thousands of casualties for both the Allies and Germans on the Western Front.

Troops in trenches at Wulverghem, 1915

1915: Early trench battles

During 1915, the British and French undertook a series of unsuccessful attacks against the Germans on the Western Front. For both sides it was a tough learning experience.

Landrécies, 25 August 1914

1914: Mons to Christmas

In August 1914, the British Expeditionary Force was sent to France. While relatively small, it would play a role out of all proportion to its size. But the cost was huge, and by December 1914 it had almost been wiped out.

'Fall in. Answer now in your country's hour of need', 1914

1914: To arms

The outbreak of war in August 1914 was greeted with enthusiasm in Britain. But to meet its commitment to its allies, the nation would have to expand its small professional army and make it ready for war as quickly as possible.

A British medical orderly treats a wounded German soldier, c1916
Talk
27 Jun 2025 FREE

It Worked: Innovation and Improvisation in the Royal Army Medical Corps

Jessica Meyer examines how new ideas and technologies helped to push military medical care forwards during the First World War.

Explore First World War learning resources

Walter Tull character actor
Video

Walter Tull: A Soldier’s Story

Explore the life and times of Walter Tull, one of Britain’s first black army officers, who served during the First World War.

Soldiers of the British West Indies Regiment, France, 1916
Timeline

West Indian Soldier: Interactive Timeline

Explore the history of Caribbean people in the British Army, and of the British Army in the Caribbean, through an interactive timeline.

Women of the West Indies Auxiliary Territorial Service, c1944
Video

Virtual Exhibition: West Indian Soldier

Explore the history of Caribbean people in the British Army, and of the British Army in the Caribbean, through this virtual tour of the West Indian Soldier exhibition.

BlackPoppyRose at the National Army Museum
Video

BlackPoppyRose at the National Army Museum

Explore the theme of remembrance and the service of African and Caribbean men and women in the British Army with BlackPoppyRose.

Indian Army troops travelling upstream on a barge, Mesopotamia, c1916
Timeline

India, Empire and the Army: Interactive Timeline

Explore the history of the British Army in India and the British Empire's Indian armies through this interactive timeline packed with over 200 sources.

Poppies and Remembrance: Gallery Trail
Trail

Poppies and Remembrance: Gallery Trail

Follow this gallery trail to find out more about Remembrance and the lives of soldiers during the First World War.

History of Warfare: Gallery Trail
Trail

History of Warfare: Gallery Trail

Follow the trail to find ten gallery objects that explore the nature of warfare and the British Army through time.

First World War: Gallery Trail
Trail

First World War: Gallery Trail

Follow this gallery trail to find out more about the role of the British Army during the First World War.

Outside an advanced dressing station at Tilloy-les-Mofflaines, Western Front, April 1917
Timeline

Health and Medicine in the Army: Interactive Timeline

Uncover the history of medical developments in the British Army through this interactive timeline packed with nearly 200 sources.

Recruiting leaflet, Army Cadet Force, 1991
Timeline

Army Cadets: Interactive Timeline

Explore the history of the British Army Cadet Force and the Combined Cadet Force through this interactive timeline. 

Make Your Own Remembrance Wreath
Home Activity

Make Your Own Remembrance Wreath

Explore the history of the poppy and create your own remembrance wreath in this family friendly activity.

Operation Science: Supply Drop
Video

Operation Science: Supply Drop

Explore the science behind parachutes and see how well Brussel sprouts can fly in this festive-themed video.