History of Workington established on the north bank of the mouth of the River Derwent, near present-day Siddick Pond and Northside. Another fort or watchtower would have been on How Michael to the south side of the river, near present-day Chapel Bank. In 122, the Romans begin building Hadrian's Wall from Bowness on the Solway Firth to Wallsend on the North Sea. The discovery of a Roman fort around the parish church in Moresby to the south, and fortifications to the north at Risehow (Flimby), Maryport and Crosscannonby support the argument that the coastal wall extended down the whole Solway coast and formed
Antonine Wall top of the turf. The barrier was the second of two "great walls" created by the Romans in what the English once called Northern Britain. Its ruins are less evident than the better-known Hadrian's Wall to the south, primarily because the turf and wood wall has largely weathered away, unlike its stone-built southern predecessor. Construction began in AD 142 at the order of Roman Emperor Antoninus Pius, and took about 12 years to complete. Antoninus Pius never visited Britain, whereas his predecessor Hadrian did. Pressure from the Caledonians may have led Antoninus to send the empire's troops further north. The