AI overview
I don't have enough context to provide an accurate overview of "667." The context you've provided only indicates this relates to a year, but I would need additional information about what specifically happened in 667 (such as what historical event, cultural work, or other significant occurrence you're referring to) to write an accurate, factual overview.
AI-generated from the Wikipedia summary — may contain errors.
Article
Ildefonsus of Toledo by El Greco (1600–1604)
Year 667 (DCLXVII) was a common year starting on Friday of the Julian calendar. The denomination 667 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.