Offa's Dyke built
785* · Event
Earthen rampart and ditch along the Welsh border (traditionally ~150 miles, though some scholars argue for a ~64-mile core), marking Mercian expansion under Offa.
On these timelines: Master, United Kingdom (combined), Wales, England
Around 785
- An Lushan Rebellion (755)
- Viking Age (793)
- Islamic Golden Age (750)
- Reign of Alfred the Great (871)
- Khmer Empire (Angkor) (802)
- Reign of Charlemagne (768)
- Abbasid Caliphate founded (750)
- Treaty of Verdun (843)
- Gunpowder developed in China (850)
- Reconquista (722)