It was long assumed that Geoffrey of Monmouth (writing around 1135) selected Tintagel as the birthplace of Arthur to suit his own needs as a writer, or perhaps for some political reason. The remains of the castle on the island, though romantically associated with Arthur, are in fact 12th and 13th century ruins. Excavations did discover evidence of a Dark Age presence on the island, but for many years this was considered to be a monastery rather than a hillfort or stronghold. Until very recently, this theory persisted, and the island's association with Arthur was treated as fictional.
The discovery of large quantities of pottery and glass at Tintagel began to alter the official viewpoint. The finds were varied in style and purpose. There were oil and wine jars, plates and glass bottles from
The remains of over 150 buildings were discovered after a fire in 1983, and established the view that Tintagel, or Din Tagell, was a royal 5th and 6th century stronghold. Archaeology had come to the rescue of the legend, and the possibility of an Arthurian connection re-established itself with the benefits of physical evidence.
In 1998, a remarkable discovery took place on Tintagel during new excavations. A piece of 6th century slate was found with a carved Latin inscription, PATER COLIAVIFICIT ARTOGNOU. The inscription is incomplete, but in translation it is believed to say Artognou, father of a descendant of