National WW1 Welsh letters archive plans
6 February 2015 Last updated at 21:39 GMT
There is a call to search drawers and attics for World War One letters home, as part of a bid to establish a national archive of war correspondence.
About 400,000 men from Wales took part in the conflict - and for many writing a letter to loved ones was a brief escape from horrors of the frontline trench warfare.
Carwyn Jones has more.