Education | Historic England
"The image shows part of a three-mile section of the great earthwork boundary dyke built along the Anglo-Welsh border by Offa, King of Mercia around the 780s. Offa was the King of the Mercians, a warrior tribe from central England, from 747 to 796 AD. He had seized power during a time of great unrest along the border between Wales and England. He decided to separate two countries.
King Offa oversees the building of his dyke. Late 8th Century King Offa II was the creator of the 120 mile long dyke which defines the entire length of the border between England and Wales.This earthwork took a huge amount of manpower to construct.Originally the dyke was believed to have been made impregnable by the addition of wooden spikes and prickly vegetation.
Excavations In Iran Unravel Mystery Of 'Red Snake'
New discoveries unearthed at an ancient frontier wall in Iran provide compelling evidence that the Persians matched the Romans for military might and engineering prowess. The 'Great Wall of Gorgan'in north-eastern Iran, a barrier of awesome scale and sophistication, including over 30 military forts, an aqueduct, and water channels along its route, is being explored by an international team of archaeologists. This vast Wall-also known as the 'Red Snake'-is more than 1000 years older than the ...