Hardian succeed [[Trajan]] and was the third of the [[Five Good Emperors]], and built many defensive walls. The most famous of these is known simply as [[Hadrian's Wall]] and runs across the center of Great Britain between Bowness-on-Solway in the west and Wallsend in the east. | Hardian succeed [[Trajan]] and was the third of the [[Five Good Emperors]], and built many defensive walls. The most famous of these is known simply as [[Hadrian's Wall]] and runs across the center of Great Britain between Bowness-on-Solway in the west and Wallsend in the east. |