Coins minted in the Year 1842

What happended in 1842?
Monarch  is Queen Victoria. Prime Minister is Robert Peel (Conservative). US President is John Tyler (I-Virginia). Income Tax Act introduces the first peacetime income tax in Britain at 7 pence on the pound for incomes over 150 pounds. The half farthing coin is made legal tender. Paleontologist Richard Owen coins the term "Dinosaur". John Kilner & Co start making Kilner jars, JMW Turner paints and Alfred Tennyson writes poems.
Obv Rev Cat Coin
  Sovereigns 1842 Gold Sovereign
  Half-Crowns 1842 Halfcrown - Victoria