THE YEAR IS 650 AD. And Europe is Aflame. A New Empire is on the scene and conflict is brewing
The Britons of Britannia managed to band together in the early 500s and managed to fend the Germanic invader away from the shores of Prydain. However old allies turned into enemies and Prydain fell into a civil war called the 90 Years War lasting from 517 AD to 609 AD, resulting in the House of Brigantes coming to power in the Kingdom of Britannia. King Artor II of Britannia needed something to unite the wartorn peoples of Britannia with and sought to conquer the Britannic peoples living on the continent as well and he launched the Invasion of Brittany in 612 AD and conquered it by 616 AD. However this brought Britannia into conflict with the Franks who eyed the region.
War broke out in 621 AD between Britannia and Francia over Brittany and the Franks allied with the Picts. The Picts invaded northern Britannia, and the Britannians in turn counter attacked and conquered Pictland in 625 AD. However Brittany had fallen under Frankish rule. The Picts were subdued by the 630s and a relative time of peace and prosperity came by in which the Britannian settled down in the small islands surrounding the Britannian kingdom and found a large island to north which they named 'Tiria (otl iceland). Tiria was claimed by the Britannian King Vortigern III. Vortigern III managed to win the loyalty of the Hibernian kingdoms as well before dying in 646 AD. He was succeeded by the sole remaining member of the House of Brigante, Queen Helena I of Britannia had lofty goals, and married a matrylinear marriage with the Earl of Lothian and in 649 AD named herself Empress Helena I of the Empire of Pryddain. She sought to reconquer Brittany and launched an invasion of Francia in 649 AD reconquering Brittany and capturing Flanders by the end of 650 AD. The Pryddish-Frankian War of 649-669 AD had started.