What is the oldest wall in Europe?
What is the oldest wall in Europe? Hadrian's Wall was the north-west frontier of the Roman empire for nearly 300 years. It was built by the Roman army on the orders of the emperor Hadrian following his visit to Britain in AD 122.
What is the oldest walled city in the world?
Uruk in ancient Sumer (Mesopotamia) is one of the world's oldest known walled cities. Before that, the proto-city of Jericho in the West Bank had a wall surrounding it as early as the 8th millennium BC. The earliest known town wall in Europe is of Solnitsata, built in the 6th or 5th millennium BC.