Gorsedd Beirdd Ynys Prydain was founded in 1792 by Edward Williams, commonly known as Iolo Morganwg, who also invented much of its ritual, supposedly based on the activities of the ancient Celtic Druidry.
Gorsedd Beirdd Ynys Prydain grundades 1792 av Edward Williams, även känd som Iolo Morganwg, som också uppfann mycket av dess ritualer, förmodat baserat på verksamheten inom den gamla keltiska druidismen.