First World War

March past of the South Persia Rifles, c1918 

Persia mission

In June 1916, a British military mission began recruiting a local force in neutral Persia. Its goal was to bolster Allied interests and prevent enemy influence in the region.

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 multinational 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.

Group photograph of officers of The Black Watch
Talk
27 Feb 2026 FREE

'Highland Chieftains': The Officers of The Black Watch

Join Dr Ruadhan Scrivener-Anderson as he looks at selection, socialisation and the development of group identity within The Black Watch in the lead-up to the First World War.

Askaris moving a field gun in East Africa
Talk
20 Mar 2026 FREE

Ring of Fire: A New Global History of the Outbreak of the First World War

Historian Alexandra Churchill offers a fresh perspective on the opening year of the conflict, revealing its truly global scale.

Territorial forces checking people's papers at a roadblock
Talk
27 Mar 2026 FREE

Chasing Spies: Local Security and Home Defence in August 1914

Historian Harry Richards reveals the impact of 'spy fever' on British society and home defence during the First World War.

Do you enlist?
Video

Do you enlist?

Experience some of the ways that civilians were persuaded and pressured to enlist in the Army during the First World War.