The written history of Scotland begins when the Roman Empire came to the British Isles. The Romans gave Great Britain its name in or . The Romans overcame and controlled what is now England, Wales, and southern Scotland. To the north of the River Forth was "Caledonia", land not fully owned by the Romans. The Romans, built cities like Edinburgh when they built the Antonine wall. The Romans had military camps and forts in much of Scotland. In Classical Antiquity, the Romans named the people in Caledonia in . During Late Antiquity and the Early Middle Ages, the people of Caledonia were the Picts. The Roman army left Great Britain in the 5th century, and by the time Roman military had fought many wars with the Picts. They Romans also fought the Scoti and the Saxons. Both the Scoti and the Saxons came to the land.