Question: Augustus d'Este was the grandson of a monarch who was promoted to King of Hanover in what year?
Sentence (from "George III of the United Kingdom"): George III (George William Frederick; 4 June 1738 – 29 January 1820) was King of Great Britain and Ireland from 25 October 1760 until the union of the two countries on 1 January 1801, after which he was King of the United Kingdom of Great Britain and Ireland until his death.
Relevant evidence: No