Rule of Mercia
Aethelflaed assumed sole rule of Mercia and intensified the reconquest of Danish-held territory.
Role range: 0911-0918
Historical biography archive · Updated 2026-11-03
Aethelflaed Biography and Timeline
Follow Aethelflaed through 10 dated historical records for England.
Aethelflaed, historical timeline
A chronological timeline drawn from matching World History Database records.
10Distinct records
1 of 1Page
911–918Years on this page
911
913
Fortification of Stafford
Aethelflaed established a burh at Stafford to support Mercian expansion toward the Danelaw.
Role range: 0911-0918
Fortification of Tamworth
Aethelflaed fortified Tamworth to secure Mercia against Danish power in the Five Boroughs.
Role range: 0911-0918
914
Fortification of Warwick
Aethelflaed fortified Warwick as another base for defending and recovering Mercian territory.
Role range: 0911-0918
915
Fortification of Chirbury
Aethelflaed founded a burh at Chirbury while consolidating Mercia’s western and northern approaches.
Role range: 0911-0918
Fortification of Runcorn
Aethelflaed fortified Runcorn near the Mersey to pressure Scandinavian routes and settlements.
Role range: 0911-0918
917
Capture of Derby
Aethelflaed captured Derby, one of the Five Boroughs, though four of her thegns were killed.
Role range: 0911-0918
Capture of Derby
Takes Derby breaking Danish front from the Peak District to south east England
Role range: 0911-0918
918
Offer of York Allegiance
The people of York offered allegiance to Aethelflaed shortly before her death.
Role range: 0911-0918
Submission of Leicester
Leicester submitted peacefully to Aethelflaed, weakening the remaining Five Boroughs.
Role range: 0911-0918
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.