Coins minted in the Year 1685

What happended in 1685?
Monarch was Charles II until 6 February, and then James II. King Charles II died after a short illness and his brother succeeded him as King James II. James needed to fend off a counter-claim and some assassination attempts.
Obv Rev Cat Coin
  Guineas 1685 Guinea - James II
  Shillings 1685 Shilling - James II