Henrici Quinti, Angliæ Regis, Gesta, is a first-hand account of the Agincourt Campaign, and subsequent events to his death in 1422. The author of the first part was a Chaplain in King Henry's retinue who was present from King Henry's departure at Southampton in 1415, at the siege of Harfleur, the battle of Agincourt, and the celebrations on King Henry's return to London. The second part, by another writer, relates the events that took place including the negotiations at Troye, Henry's marriage and his death in 1422.
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Pant y Saer Burial Chamber is in Benllech, Anglesey, Prehistoric Anglesey Burial Chambers.
Archaeological Journal Volume 28 1871 Pages 97-108. 9. Manan Pant y Saer [Map], Llanfair yn Mathafarn eithav par. (E).
David Thomas mentions a cromlech at this place (Cambr. Reg., vol. ii. p. 989), the same probably that is given in Mr. Longueville Jones' list of British remains, and described as "thrown down, on a hill near a farm called Bryn-y-felin, half a mile S.E, of Llanfair-Mathafern church." Arch. Cambr., third series, vol. i. p. 25. Angharad Llwyd also notices a cromlech at Manan Pant-y-Saer (part of Rhos Yawr), and observes that " formerly there was one at Llech-tal-y-Μδη, but that is now destroyed." Hist. Anglesey, p. 253.
It has been recently described and figured by the Rev. Hugh Prichard, Arch. Cambr., third series, vol. xiv. p. 89.
Archaeologia Cambrensis 1933 Pages 185-228. The Chambered Tomb Of Pant-Y-Saer [Map], Anglesey. By W. Lindsay Scott, F.S.A.Scot.
The chambered tomb of Pant-y-saer stands in latitude 530 18' 3" N., longitude 40 14' 15" W., on the outskirts Of the village Of Tvnygongl and about a mile distant from the northern end of Red Wharf Bay. This sandy bay on the east coast of Anglesey provides good shelter in westerly winds: and in such conditions is a safe place for hauling up boats. The lower land around it is reasonably fertile and the situation is not unattractive for settlement and distinctly advantageous for sea-raiders seeking a base for operations on the north coast of Wales.