The technical innovation that led to the birth of the tank, tales from the grandsons of the Guernsey soldier who travelled all over the

Santanu Das tells the story of the Indian Army on the Western Front, from disembarkation in Marseilles where the troops were greeted by excited crowds, to the grim reality of the trenches.

One and a half million Indian men were recruited from the villages and towns of British India to serve the Empire in the First World War. Santanu Das tells the story of how they were recruited to travel across the Kalopani, the "dark waters", to take part in the world's first industrial war.

The Romanovs ruled Russia for centuries until World War One brought revolution and an abrupt end to their imperial reign. Allan Little explores the legacy of revolution and the hidden impact of WW1 on Russian policy today.

A place in the heart of London where the American soldiers got a little taste of home; a project mapping the lives of nearly 2000 men in Tynemouth, Tyne and Wear, who died in WW1 & a song to love and loss based on letters to a Bristolian wife.

Don Black tells the fascinating story of Ivor Novello and the song that made his name. Keep The Home Fires Burning marks the centenary of a song that became popular both in the WW1 trenches and on the home front, and continued to be sung by soldiers in conflicts well into the 1950s. The programme features the best Ivor Novello tunes, some extraordinary Imperial War Museum archive and explores how music was used as a morale booster in the First World War.

The two Merseyside ferries who earned their 'Royal' title in a daring wartime raid, a Coventry memorial which marks the Sikhs role in World War One, and why thousands of mules trotted through the town of Minehead.

In the third part of his documentary looking at the Asian contribution to WW1, Sarfraz Manzoor examines the effect of WW1 on India, nationally and locally. Through letters from servicemen and families, the loss to loved ones becomes clear - not just on an emotional level, but also leading to hardship for farming communities often losing their strongest workers.

Kate Adie reports on the Nottinghamshire munitions factory disaster. Also - the ambulance trains of Lowth & forces sweetheart, Gertie Gitana, who became a wartime music hall star.

Three WW1 characters. Flora Sandes, who enlisted and fought as a soldier in Serbia. Mick Mannock, the British 'Ace of Aces'; and 3 yr old Khaki George, who collected funds for the war effort on the streets of Halifax.