Dating to the Norman Conquest, people who ruled as king or queen of England, Great Britain, and/or the United Kingdom for 50 or more years (note: for purposes of this list, we will exclude James VI/James I, and of course we need name and reginal number)
Elizabeth II (1952-present)
Victoria (1837-1901)
Henry III (1216-1272)
Edward III (1327-1377)
George III (1760-1820)