![English: Portait of en:Pope Leo IV in the en:Basilica of Saint Paul Outside the Walls, Rome Italiano: Ritratto di it:Papa Leone IV nella it:Basilica di San Paolo fuori la Mura, Roma . English: Portait of en:Pope Leo IV in the en:Basilica of Saint Paul Outside the Walls, Rome Italiano: Ritratto di it:Papa Leone IV nella it:Basilica di San Paolo fuori la Mura, Roma .](https://c8.alamy.com/comp/P0378W/english-portait-of-enpope-leo-iv-in-the-enbasilica-of-saint-paul-outside-the-walls-rome-italiano-ritratto-di-itpapa-leone-iv-nella-itbasilica-di-san-paolo-fuori-la-mura-roma-9th-century-unknown-14-103-stleo-iv-P0378W.jpg)
English: Portait of en:Pope Leo IV in the en:Basilica of Saint Paul Outside the Walls, Rome Italiano: Ritratto di it:Papa Leone IV nella it:Basilica di San Paolo fuori la Mura, Roma .
![Pope Saint Leo IV, 790 – 855, commissioning the construction of the Leonine Wall, Borgo, Vatican, Rome Stock Photo - Alamy Pope Saint Leo IV, 790 – 855, commissioning the construction of the Leonine Wall, Borgo, Vatican, Rome Stock Photo - Alamy](https://c8.alamy.com/comp/JHACR5/pope-saint-leo-iv-790-855-commissioning-the-construction-of-the-leonine-JHACR5.jpg)
Pope Saint Leo IV, 790 – 855, commissioning the construction of the Leonine Wall, Borgo, Vatican, Rome Stock Photo - Alamy
![Wanderings in the Roman campagna . [a colony onthe road to Ardea, fifteen miles from the gate] built thesetwo towers and the wall Ijetween them; the other, Inthe time of our Lord Wanderings in the Roman campagna . [a colony onthe road to Ardea, fifteen miles from the gate] built thesetwo towers and the wall Ijetween them; the other, Inthe time of our Lord](https://c8.alamy.com/comp/2AM46PR/wanderings-in-the-roman-campagna-a-colony-onthe-road-to-ardea-fifteen-miles-from-the-gate-built-thesetwo-towers-and-the-wall-ijetween-them-the-other-inthe-time-of-our-lord-the-pope-leo-iv-the-militia-ca-pracorum-a-colony-founded-by-hadrian-i-near-the-ruinsof-veii-on-the-site-of-tlie-gtresent-farm-of-santa-cornelia-built-this-tower-and-the-wall-which-connects-it-with-thenext-both-saltisinum-and-capracorum-must-havebeen-opulous-and-prosperous-colonies-and-yet-no-traceof-them-has-survived-the-ravages-of-time-the-land-of-saturn-67-the-flora-of-the-campagna-is-not-rich-nor-varied-2AM46PR.jpg)
Wanderings in the Roman campagna . [a colony onthe road to Ardea, fifteen miles from the gate] built thesetwo towers and the wall Ijetween them; the other, Inthe time of our Lord
Baelena Books - Leonine Wall built 848-852 AD, enclosing the eastern shore of the city of Rome - The walls were built by Pope Leo IV in the aftermath of the Arab's
![ANCIENT ROME: Walls of Servius Tullius Aurelian Probus Pope Leo IV 1560 1898 map Stock Photo - Alamy ANCIENT ROME: Walls of Servius Tullius Aurelian Probus Pope Leo IV 1560 1898 map Stock Photo - Alamy](https://c8.alamy.com/comp/GB7XB1/ancient-rome-walls-of-servius-tullius-aurelian-probus-pope-leo-iv-GB7XB1.jpg)