May 14, 1260Brian O'Neill, is defeated and killed by the forces of Roger des Auters at the battle of Down
September 25, 1267England Recognizes Llywelyn and his heirs as Kings of Wales and recognized the borders of their territory.
April 25, 1284At Caernarfon - Edward I of England declares his day old son as the Prince of Wales and thus the first pretender to the Welsh throne
September 26, 1289All men of good will to the king, both Irish and English, in Munster and Leinster are summoned to Buttevant in Leix
Ireland
Ireland