Ancient Mediterranean World
Hadrian's Wall was a defensive fortification built by the Romans under Emperor Hadrian around AD 122 in northern England. Stretching approximately 73 miles, it marked the northern boundary of the Roman Empire and served to protect Roman Britain from invasions by the Picts and other tribes from what is now Scotland. The wall is a key symbol of Roman military engineering during the Pax Romana, reflecting the empire's efforts to maintain control over its territories.
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