Beat me to it. Maybe Trajan, depending on how your accounting systems attribute what belonged to the Republic and what to Trajan the man/military commander/late

Beat me to it. Maybe Trajan, depending on how your accounting systems attribute what belonged to the Republic and what to Trajan the man/military commander/later emperor. http://en.wikipedia.org/wiki/Trajan#Maximum_extent_of_the_Empire http://en.wikipedia.org/wiki/Trajan#Maximum_extent_of_the_Em...