When did the first titleholder of the title in the Peerage of Great Britain that was created in 1965 die?
Earl Spencer (peerage): Earl Spencer is a title in the Peerage of Great Britain that was created on 1 November 1765, along with the title Viscount Althorp, of Althorp in the County of Northampton, for John Spencer, 1st Viscount Spencer.
i don't know