and King of Ireland
from 25 October 1760 until the union of these two countries on 1 January 1801, after which he was King of the United Kingdom of Great Britain and Ireland
until his death. He was concurrently Duke and prince-elector
of Brunswick-Lüneburg ("Hanover") in the Holy Roman Empire
until his promotion to King of Hanover on 12 October 1814.
1760 George III becomes King of Great Britain.
1761 Marriage of King George III of the United Kingdom to Duchess Charlotte of Mecklenburg-Strelitz.
1761 George III and Charlotte of Mecklenburg-Strelitz are crowned King and Queen, respectively, of the Kingdom of Great Britain.
1763 George III of Great Britain issues British Royal Proclamation of 1763, closing aboriginal lands in North America north and west of Alleghenies to white settlements.
1768 John Wilkes is imprisoned for writing an article for ''The North Briton'' severely criticizing King George III. This action provokes rioting in London.
1768 James Otis, Jr. offends the King and Parliament in a speech to the Massachusetts General Court.
1775 King George III declares that the American colonies exist in a state of open and avowed rebellion.
1819 British explorer William Smith discovers the South Shetland Islands, and claims them in the name of King George III.
1896 Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
I wish nothing but good; therefore, everyone who does not agree with me is a traitor and a scoundrel.