Coins minted in the Year 1763

What happended in 1763?
Monarch is King George III. Prime Minister is John Stuart, 3rd Earl of Bute (Tory) but is replaced by George Grenville (Whig) in April. Josiah Wedgwood receives orders for his pottery from Queen Charlotte.
Obv Rev Cat Coin
  Guineas 1763 Guinea - George III