AI overview
I don't have specific context about what "685" refers to. Without additional information about whether this is a year, number, code, or something else, I cannot write an accurate overview. Could you provide more details about what "685" is?
AI-generated from the Wikipedia summary — may contain errors.
Article
King Cædwalla of Wessex (c. 659–688)
Year 685 (DCLXXXV) was a common year starting on Sunday of the Julian calendar. The denomination 685 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.