First World War Week

A British officer stands alongside two of his Japanese counterparts in 1914 in Tsingtao (now Qingdao). Japanese troops played a key role in the capture of that strategic German concession in north-east China. (Photo by Getty Images)

First World War

First World War: beyond the western front

c1916: British soldiers sitting around a lamp in their trench. (Photo by Hulton Archive/Getty Images)

First World War

10 First World War slang words we still use today

A US soldier teaching two junior 'rookie' recruits how to clean a gun during the First World War

First World War

7 things you (probably) didn’t know about America’s entry and involvement in the First World War

Scottish soldier and Field Marshal Douglas Haig (1861 - 1928) visiting the troops during the First World War. (Central Press/Getty Images)

First World War

Field Marshal Haig: a man much misunderstood?

An example of the Zimmermann Telegram

First World War

The Zimmermann telegram: the telegram that brought America into the First World War

Battle of Verdun. French trench on the front lines, 1916. (Photo by Roger Viollet/Getty Images)

First World War

7 things you (probably) didn’t know about Verdun

Photograph of the Wounded British Soldiers at the Battle of the Somme. Dated 1916. (Photo by Universal History Archive/UIG via Getty Images)

First World War

8 things you (probably) didn’t know about the battle of the Somme

Women of the Sarah Caswell Angell chapter of the Daughters of the American Revolution, from Ann Arbor, Michigan, engaging in war work activities to assist the Allied cause during the First World War, 1918. During their sessions they knitted, made hospital garments, sewed for French children, and made aviators' vests. (Photo by PhotoQuest/Getty Images)

First World War

A–Z of the First World War

An American recruitment poster. “US forces showed an impressive ability to learn at speed,” says Nick Lloyd. (© Getty)

First World War

The great misconceptions of the First World War

Siegfried Sassoon in uniform. (Photo by George C. Beresford/Hulton Archive/Getty Images)

First World War

5 First World War poets

US soldiers man a machine gun post in the Argonne Forest, during the Meuse-Argonne offensive, 1918. (Photo by US Army Signal Corps/American Stock/Getty Images)

First World War

‘Foch’s Grand Offensive’: the biggest battle you’ve never heard of

British former field marshal Douglas Haig, inspects poppies before Armistice Day, October 1922. (Photo by Topical Press Agency/Hulton Archive/Getty Images)

First World War

Remembering the First World War: blood, poppies and poetry

A photograph of a crowd in Berlin celebrating Kaiser Wilhelm II of Germany's proclamation of war against Great Britain, August 1914. (Photo by Historica Graphica Collection/Heritage Images/Getty Images)

First World War

The Library 1914: Countdown to catastrophe

General Sir Douglas Haig (left) and Sir Henry Rawlinson are largely to blame for the failure of the battle of the Somme, says historian Hugh Sebag-Montefiore. (Photos by Hulton Archive/Getty Images and Photo12/UIG via Getty Images)

First World War

The British generals whose infighting lost the battle of the Somme

British Aircraft Of The First World War 1914-1918, Sopwith F1 Camel, single-seat scout, 1917. (Photo by IWM via Getty Images)

Second World War

In pictures: 100 years of the Royal Air Force