715 Second Battle of Woden's Barrow (Adam's Grave)
Sep 825 Battle of Ellendun (Wroughton)
On Sep 825 Beornwulf King Mercia defeated Ecgberht, King of Wessex, at the Battle of Ellendun replacing Mercian with Wessex dominance over the Saxon Heptarchy. Sir Frank Stenton described it as 'one of the most decisive battles of English history'. The location of the battle is not known although a number of locations have been suggested: Wroughton, Lydiard Park and Wilton.
02 Jul 866 Battle of Brissarthe
On 02 Jul 866 Ranulf Poitiers I Duke Aquitaine and Robert "Strong" King West Francia were killed fighting the joint Breton-Viking army at the Battle of Brissarthe at Brissarthe.
31 Dec 870 Battle of Englefield
Sidrac Unknown killed during the Battle of Englefield
04 Jan 871 Battle of Reading
08 Jan 871 Battle of Ashdown (Berkshire)
22 Jan 871 Battle of Basing (Old Basing)
around 22 Mar 871 Battle of Marton
Around 22 Mar 871 Halfdan Ragnarsson defeated the Wessex army led by Æthelred King Wessex and Alfred "The Great" King England at the Battle of Marton. The location of 'Marton' is not known; suggestions include Marden in Wiltshire and Winterborne St Martin in Dorset.
Around 22 Mar 871 Heahmund Wessex Bishop Sherborne killed during the Battle of Marton whilst fighting for the Wessex army.
around 12 May 878 Battle of Edington
After 12 May 878 Treaty of Wedmore
937 Battle of Brunanburh
13 Dec 902 Battle of the Holme (East Anglia)
On 13 Dec 902 Æthelwold Wessex, Brihtsige Wessex, Ysopa Wessex, Oscetel Wessex and Eohric King East Anglia were killed at the Battle of the Holme in East Anglia when Æthelwold Wessex was contesting his cousin's succession.
01 Aug 939 Battle of Trans-la-Forêt
On 01 Aug 939 Hugh Maine II Count Maine, Alan "Twisted Beard" Poher II Duke Brittany and Judicael Berengar Penthièvre I Count Rennes defeated the Viking army at Battle of Trans-la-Forêt in Trans-la-Forêt freeing Brittany of Viking occupation and leading to the establishment of the Duchy of Brittany.
950 Battle of Carno
954 Battle of Llanwrst (Llanrwst)
954 Battle of Llanwrst: Sons of Idwal (Llanrwst)
954 Battle of Llanwrst: Sons of Hywel (Llanrwst)
980 Battle of Anglesey
980 Battle of Anglesey: Gwynedd
In 980 Hywel ap Ieuaf King Gwynedd defeated Custennin ab Iago Aberffraw, son of his former enemy Iago ap Idwal Aberffraw at the Battle of Anglesey: Gwynedd, at Anglesey. Custennin was supported by the Viking Gofraid mac Arailt Ivar.
980 Battle of Anglesey: Viking