How do you know the Romans were in dumfries and galloway?

Archaeological evidence indicates that the Romans were present in Dumfries and Galloway, particularly through the discovery of Roman forts and military sites, such as the fort at Cambuslang and the remains of a Roman road at Glenlochar. Additionally, artifacts such as pottery, coins, and inscriptions have been found in the area, further supporting Roman occupation. Historical texts, including works by Roman historians, also mention Roman campaigns and settlements in what is now Scotland. These findings collectively confirm the Roman presence in the region.