The Kingdom of Northumbria (/nɔrˈθʌmbriə/; Old English: Norþhymbra rīce, "kingdom of the Northumbrians") was a medieval Anglian kingdom, in what is now northern England and south-east Scotland, becoming subsequently an earldom in a unified English kingdom. The name reflects the approximate southern limit to the kingdom's territory, the Humber estuary.
Border tartan is one of the oldest in existence as fragments have been found in Great Britain & Jutland. Discovered at the Antonine Wall in Falkirk, Scotland (Falkirk Sett) is currently the earliest check or tartan fragment dates back to Roman times (3rd century CE) Another was found on a cloak in the peat bog at Thorsberg, northern Germany suggesting that the Germanic peoples used the design to an greater extent than those in England.
Oswald of Northumbria (c. 604 - c. 642 CE) was a 7th-century Anglo-Saxon king and saint. He came to power in Northumbria c. 633 or 634 CE following his victory over Cadwallon ap Cadfan, King of Gwynedd. Oswald ruled over the Northumbrian kingdoms of Bernicia and Deira but also exerted significant authority over parts of modern-day England, Wales, and Scotland.