Is 'The Last Kingdom' Historically Accurate?

The Last Kingdom (2015-2022) is a historical fiction TV series based on Bernard Cornwell's The Saxon Stories novels and adapted for television by English screenwriter Stephen Butchard. With five seasons, the show began as a BBC production and was later acquired by Netflix. Filmed in Hungary and Wales, it is based on English history during the 9th and 10th centuries, as the Anglo-Saxon kingdoms fought against the invading Vikings.