Home /calendar /may /May 29, 1830On May 29, 1830 in Celtic HistoryHumphrey davy, cornish pioneer chemist, died.Share : More From This Daycalendar 1687Order of the Thistle founded by King James VII.May 29, 1687calendar 1660King Charles II returned to England. Royal Oak Day.May 29, 1660calendar 1630King Charles II born.May 29, 1630calendar 1205King John makes Hugh de Lacy Earl of UlsterMay 29, 1205