Sounds like an episode of The Gilded Age

A plaque at the bottom of an obelisk. It says "THIS OBELISK IS ERECTED TO THE MEMORY OF&10;LADY MARY FITZROY, THE WIFE OFSIR CHARLES FITZROY&10;THE THEN GOVERNOR OF THE COLONY&10;AND CHARLES CHESTER MASTERS, A.D.C.&10;WHO WERE ACCIDENTALLY KILLED BYBEING THROWN FROM THEIR CARRIAGE AGAINST THIS TREE ON THE 7TH DEC I847. &10;&10;Not pictured: the tree.