Arrest of Owain
Llywelyn III arrested his brother, Owain
Permanent historical records · Updated 2026-11-03
1255 in Wales
Explore 4 historical events and records for Wales in 1255.
Historical records for Wales in 1255
Sorted by month and day. Records with no month are shown last. Showing 4 of 4 unique records.
4Unique records
1 of 1Page
4Named events on this page
1Named people on this page
2Places on this page
Other events (month unknown)
Battle of Bryn Derwin
Llywelyn III wins authority over Gwynedd & Wales after the Battle of Bryn Derwin. Llywelyn III defeats his brothers Owain & Dafydd
Rule of Gwynedd
Llywelyn III wins authority over Gwynedd & Wales after the Battle of Bryn Derwin
Rule of Wales
Llywelyn III wins authority over Gwynedd & Wales after the Battle of Bryn Derwin
How these records were prepared
Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.