When did Geoffrey - archbishop of York die?

Please provide more information about which Geoffrey you are referring to. There have been many archbishops of York throughout history.

For example, you could specify:

* Geoffrey's last name: For example, "Geoffrey Plantagenet" or "Geoffrey of Monmouth."

* Approximate year of his archbishopric: For example, "Geoffrey who was archbishop in the 12th century."

* Any other details: Such as a specific event during his time as archbishop.

With more information, I can help you find the date of his death.