The Commonwealth answered the call with volunteers from far and wide including pre-partition India, the Caribbean and Africa, all of whom make up a vibrant part of our culture today.
We recognise them today as part of the global family of the Commonwealth, and they served with honour, earning the highest awards for bravery.
In 2018 The Royal British Legion is leading the nation in saying Thank You to the First World War generation who served, sacrificed and changed our world. Watch the video to find out more.
You can find out more about the Caribbean contribution on the West India Committee website or in their new book The Caribbean's Great War (available by emailing email@example.com or calling 02077995441).
The first Muslim soldier to win the Victoria Cross
The First World War involved many countries around the world, but did you know about the vast amount of Commonwealth countries whose citizens gave up their lives and fought with British forces? India was one of those countries and the story of Khudadad Khan is just one of many tales of bravery during WW1.Read more