Home /calendar /february /February 18, 1478On February 18, 1478 in Celtic HistoryGeorge, duke of clarence, is executed for high treasonShare : More From This Daycalendar 1958Ian Banks, writer is born in Dunfermline, FifeFebruary 18, 1958calendar 1899Mervyn Johns, actor, was bornFebruary 18, 1899calendar 1867Edward Roberts, Welsh poet, diedFebruary 18, 1867calendar 1503Henry Tudor created Prince of Wales (later Henry VIII)February 18, 1503calendar 1366The Statutes of Kilkenny are passedFebruary 18, 1366