
Events 760s – Offa’s Dyke is constructed
Offa’s Dyke is constructed around this time Events Battle of Hereford: The Welsh kingdoms of Brycheiniog, Gwent and Powys defeat the Mercians under King Offa at Hereford. They free themselves from the influence of the Anglo-Saxons Offa’s Dyke is constructed around this time, according to the traditional history of this defensive earthwork. This 150-mile-long (240 km) earthwork marks the current border with the Welsh kingdoms, between England and Wales (approximate date). However, modern analysis of Offa’s Dyke suggests that it was built in the 5th century, well before the reign of King Offa. Baghdad nears completion as up to 100,000 labourers create a circular city about 1 or 2 km in diameter (depending on the source). In the center of the “Round City” is […]