However , in Chapter V De Orbe Terrarum ( The World ) , he wrote :
Nothing is known of the date at which the work was written ; the times of Trajan , Hadrian , Antoninus Pius , the beginning of the 3rd century have all been suggested .
In Chapter V De Orbe Terrarum ( The World ) , he wrote :
Nothing is known of the date at which the work was written ; the times of Trajan , Hadrian , Antoninus Pius , the beginning of the 3rd century have all been suggested .