The year was 633 or 634, and the tide was turning against Northumbria for the first time in as long as anyone could probably remember. AEthelfrith’s victory at the Battle of Chester was not just a problem for the Welsh, it was also a problem for Mercia because it further established Northumbria domination. And while […] The post 112 – The Battle of Heavenfield first appeared on The British History Podcast.