What treaty has a document not specifically linked to Wedmore that is a Treaty of Alfred and Guthrum, that was the result of an army of the Anglo-Saxon kingdom of Wessex under Alfred the Great defeating the Great Heathen Army?
Battle of Edington: At the Battle of Edington an army of the Anglo-Saxon kingdom of Wessex under Alfred the Great defeated the Great Heathen Army led by Guthrum on a date between 6 and 12 May AD 878, soon resulting in the Treaty of Wedmore later the same year. Treaty of Wedmore:  However, there is a document not specifically linked to Wedmore that is a Treaty of Alfred and Guthrum.
Treaty of Wedmore