We hold the official UK government records of the First World War, including a vast collection of letters, diaries, maps and photographs.
We will be marking the centenary of the war with an extensive programme, spanning a five-year period between 2014 and 2019.
We've published more digitised unit war diaries on Discovery.
Explore top secret MI5 files on suspected spies and double agents as well as organisations and famous individuals that were under surveillance during the First World War.
These files are part of the wider security service personal file series (KV 2) held by The National Archives.
When I first sat down to write this, it began as the story of one man serving his country but as I began to recheck my facts, I realised that for one woman, this was actually the story of her family...
Use our podcasts and videos to help you explore our records of the First World War, from tracing battalions of the British Army to the Women's Land Army.
Join us on our blog to read and discuss various themes around the First World War.
In this videoconference students can share one hour in the life of a soldier from a Pals Battalion, Private Henry Fairhurst, played by a costumed actor, as he talks about why he joined up and what life is like in the trenches.
This podcast series brings alive individual experiences of those who served in the First World War.