The city has been defended with walls since the foundation of the Deva Victrix fort on the site in AD 79 .
The city has been defended with walls since the foundation of the Deva Victrix fort on the site in 79 .
The city has been defended with walls since the foundation of the Deva Victrix fort on the site in 79 .
Simplify this text: The city has been defended with walls since the foundation of the Deva Victrix fort on the site in AD 79 . Output: