Heartfelt poems written by the grieving families of World War One victims have been highlighted by ancestry website Genes Reunited.
Around 16 million people died in the First World War and many relatives published original prose in their local newspapers as a way of grieving for their loved ones who died in battle, often when there was no body to mourn over.
Charles picked Fern Hill by Welsh writer Dylan Thomas for the annual nationwide event which is celebrated today.
The Prince said: "For National Poetry Day, I was very glad, if somewhat hesitant - to be able to record a reading of one of my personal favourites, Fern Hill, with its poignant and moving evocation of a rural west Wales childhood.
"I cannot help feeling this is one of the great legacies of Thomas's poetry - that it inspires people to appreciate the incomparable landscape of Wales."
The heir to the throne has made several broadcasts over the years including an appearance on children's programme Jackanory in 1984, reading his own book The Old Man Of Lochnagar, and in recent years making documentaries about the composer Sir Hubert Parry and royal artists.