Medieval England, Scotland, Ireland

Warrior Queen (2003)
King Arthur
Boudica (died 60 or 61 AD) unites the tribes of Briton against the Roman invaders
The Viking Queen (1967)
King Arthur
Druids battle occupying Romans in ancient Britain/(Boudica-like character)
The Eagle (2011)
King Arthur
Accompanied by his slave, a Roman journeys to Scotland to retrieve his father's long-lost emblem, the golden Eagle of the Ninth Legion
Camelot (2011)
King Arthur
Multi-DVD set; a French television series with a more "realistic" approach to the Arthurian legend
Camelot (1967)
King Arthur
King Arthur and Court (legend)
King Arthur (2004)
King Arthur
The legend; Battle of Mount Badon (Britons versus an Anglo-Saxon war band in the late 5th or early 6th century)
Arthur of the Britons (1972)
King Arthur
TV series shows Arthur as the chief of a small Celt tribe in Dark-Ages Britain uniting Celts, Jutes, etc and others into a force to counteract the Saxons
Merlin (1998)
King Arthur
Merlin fights Queen Mab who tries to destroy Arthur to save the old ways before the coming of Christianity
First Knight (1995)
King Arthur
Life at Camelot
Excalibur (1981)
King Arthur
King Arthur and Court (legend)
Lancelot of the Lake (1974)
King Arthur
French film about Lancelot
Siege of the Saxons (1963)
King Arthur
Arthur repelling an invasion of the Saxons
The Last Kingdom (2015)
House of Wessex (802-1013)
TV series set in the time of Alfred fighting the Vikings of what became Denmark
Alfred the Great (1969)
House of Wessex (802-1013)
9th century uniter of most of what became England (880s-899)
House of Wessex (802-1013)
Alfred has to flee from the Vikings
Attack of the Normans (1962)
House of Wessex (802-1013)
Viking settlers in England fight against an English Duke trying to take the place of the English King at beginning of the 9th century
Erik the Conqueror (1961)
House of Wessex (802-1013)
Viking, raised in England, fights his brother, raised in the land of the Norsemen, in 9th century England
Lady Godiva of Coventry (1955)
House of Wessex (1042-1066)
During reign of Edward the Confessor (1042-1066); Norman conquest of England 1066; mother of Hereward the Wake
1066 The Battle for Middle Earth (2009)
House of Wessex (1042-1066)
Norman conquest of England in 1066 along with some Viking trouble
House of Wessex (1042-1066)
The son of Lady Godiva (?) fought a long time in local resistance against the Normans, but to no avail
The Battle for Middle Earth (2009)
House of Normandy (1066-1135)
The War Lord (1965)
House of Normandy (1066-1135)
A Norman knight in the 11th century sent to build a defensive castle falls in love with a local maiden which leads to big problems
William the Conqueror (1982)
House of Normandy (1066-1135)
Norman Conqueror of England, 1066
The Pillars of the Earth (2010)
House of Blois (1135-1154)