Peter III (cat)

Peter III (c. 1947 – 9 March 1964) was a cat who served as the chief mouser to the Cabinet Office from 1947 to 1964. He was the successor to Peter II, who died after being hit by a car in Whitehall. He served under five prime ministers: Clement Attlee, Winston Churchill, Anthony Eden, Harold Macmillan, and Alec Douglas-Home. He was euthanised after suffering a liver infection, aged 16, and was succeeded by Peta, a Manx cat. He was buried in Ilford, Essex.