The remains of a Roman fort can still be found here.
It was built on the site of a Roman fort.
It may have been built on the site of a Roman fort.
The first castle was built on the site of a Roman fort, around 1092.
Many towns grew up close to or on the site of a Roman fort.
It was built on the ruins of an earlier Roman fort.
There used to be a Roman fort situated near to the head of the valley.
The adjacent church site nearby was once a Roman fort.
The remains of a Roman fort have been discovered in the hamlet.
The remains of a Roman fort exist on a site near the town centre.