Question: When did Prince Augustus Frederick, Duke Of Sussex's father die?
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 King of 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 in 1820.
Relevant evidence: Yes