The Sator Square is the earliest dateable 2D palindrome . It was found in the ruins of Pompeii , at Herculaneum , a city buried in the ash of Mount Vesuvius in 79 AD . It consists of a sentence written in Latin : " Sator Arepo Tenet Opera Rotas . " Its translation has been the subject of speculation with no clear consensus ; see below for details
the ash of Mount Vesuvius in 79 AD
Eruption of Mount Vesuvius in 79
Sator Square