A Havildar in the 1st Battalion of the 23rd Sikh Pioneers. He was battling in the front line during the Sinai and Palestine Campaign when he received a poignant postcard from his daughter Kishan Devi. His life has been researched by Citizen Historian Avtar Singh Bahra who owns the postcard.

A Subedar in the 15th Ludhiana Sikhs who was born in the village of Salempur, Masandan, in District Jalandhar, Punjab. He rescued his English comrade Captain Henderson during battle by carrying him to safety in a wheelbarrow but sadly died from his wounds. His life has been researched by his great-great-grandson, Citizen Historian Kuljit Singh Sahota.

The first Indian to fly as a pilot in the Royal Flying Corps during the First World War, he was born in 1894 in Rawalpindi in West Punjab. After the war, he served as an Indian civil servant and diplomat, becoming the first Indian High Commissioner to Canada and later Indian Ambassador to France. His life is researched by Citizen Historian Bikram Singh Brar.

A Naik in the 51st Sikhs (Frontier Force) who was born in the village of Kang Sahbu in the district of Jalandhar, East Punjab. He was killed in action while fighting in the Mesopotamian Campaign, leaving behind a widow and son. His life has been researched by his great-grandson, Citizen Historian Jagdip Singh Kang.

A Havildar in the 58th Vaughan's Rifles (Frontier Force) who was born in the village of Narangwal in the district of Ludhiana, East Punjab. He was a prisoner of war in Germany during the war. His life has been researched by Citizen Historian Arjan Singh Grewal who shares the same ancestral village as Lal Singh.

A Captain in the 53rd Sikhs who was born in Putney, London. He saw active service during World War One in Mesopotamia and Palestine and won the Military Cross. After the war, he became Director of Scientific Research for the Special Operations Executive, a top-secret organisation tasked with conducting espionage, sabotage and reconnaissance during World War Two. His life has been researched by his son, Citizen Historian Professor Malyn Newitt.

A Subedar-Major in the 14th Ferozepore Sikhs who was born in the village of Budh Singh Wala in the district of Ferozepur, East Punjab. After serving in the North-West Frontier Province, East Africa and China, he retired just before the start of the Great War and was instrumental in training his men for the conflict ahead. His life has been researched by his great-great-grandson’s wife, Citizen Historian Sukhi Brar.

A Subedar in the 53rd Sikhs (Frontier Force) who was born in the village of Atari in the district of Amritsar, East Punjab. He fought and died in Mesopotamia on 8 March 1916. His life has been researched by his great-granddaughter, Citizen Historian Kamal Patheja.

A Lance Duffadar in the 30th Lancers (Gordon's Horse) who was born in the village of Dianatpur in the district of Jalandhar, East Punjab. While serving in France he suffered severe frostbite but survived and went on to reach the ripe old age of 100. His life has been researched by his grandson, Citizen Historian Balbir Singh Nijhar.

A Havildar in the 1st Patiala Rajinder Sikh Infantry who was born in the village of Bhai ke Pishore in the district of Sangrur, East Punjab. As a musketry instructor in Egypt he set shooting records. His life has been researched by his grandson, Citizen Historian Lt Col Swarajinder Singh.

A Sepoy in the 15th Ludhiana Sikhs who was born in the village of Boparai Kalan in the district of Jalandhar, East Punjab. He survived a shot to the chest during the war. His life has been researched by his son, Citizen Historian Davinder Singh Boparai.

A Risaldar in the 30th Lancers (Gordon's Horse) who was born in the village of Rasulpur in the district of Amritsar, East Punjab. He saw action in France and Mesopotamia and survived to write his memoirs in the 1950s. His life has been researched by his grandson, Citizen Historian Raghbir Singh Bath.

A Jemadar in Queen Victoria's Own Corps of Guides Infantry (Frontier Force) (Lumsden's) who was born in the village of Chogawan, Moga, in East Punjab. He fought and died in Egypt on 14 August 1918 and was recommended for the Indian Order of Merit (IOM). His story is told by his grandson, Citizen Historian Kishen Singh Gill.

A Risaldar in the 19th Lancers (Fane's Horse) who was born in the village of Dhudual, in the district of Jalandhar, East Punjab. He saw service in France, Singapore and China and survived the Great War. His life has been researched by his great-great granddaughter, Jane Kaur Gill.

A Subedar in the the Burmese Military Police who was born in Aklia Jalal in the district of Patiala, East Punjab. He was attached to the 14th Ferozepore Sikhs during the Great War and died in Basra, Mesopotamia on 26 October 1918. His life has been researched by his great-granddaughter, Citizen Historian Rani Brar.

A Ressaidar in the British Indian Army who was born in Dakha in the district of Ludhiana, East Punjab. He was selected to attend King Edward VII’s coronation in England in 1902 and later fought against the Germans during World War One. His story is told by his great-grandson, Citizen Historian Vic S. Shahid.

A Colour-Havildar in the 53rd Sikhs (Frontier Force) who was born in the village of Harse Chhina in the district of Amritsar, East Punjab. He was awarded the Indian Distinguished Service Medal for ‘gallantry in the field’ at the Battle of Sannaiyat in Mesopotamia on 7 April 1916. His life has been researched by his grandson, Citizen Historian Squadron Leader Rana Tej Pratap Singh Chhina (retired).

A trumpeter in the British Indian Army who was born in the village of Sarih in the district of Jalandhar, East Punjab. He joined the 32nd Lancers and was shot and killed during the Battle of Istabulat in Mesopotamia on 22 April 1917. His story is told by his great-granddaughter, Citizen Historian Manny Kaur Taylor.