Murder (Abolition of Death Penalty) Act 1965 all sentences of death were to be commuted to sentences of life imprisonment. The legislation contained a sunset clause, which stated that the Act would expire on 31 July 1970 "unless Parliament by affirmative resolutions of both Houses otherwise determines". This was done in 1969 and the Act was made permanent. The Act left four capital offences: high treason, "piracy with violence" (piracy with intent to kill or cause grievous bodily harm), arson in royal dockyards and espionage, as well as other capital offences under military law. The death penalty was not finally abolished in the United Kingdom until 1998
Capital punishment in the United Kingdom offenders, starting a process of reform that continued over the next 50 years. The death penalty was mandatory (although it was frequently commuted by the government) until the Judgement of Death Act 1823 gave judges the power to commute the death penalty except for treason and murder. The Punishment of Death, etc. Act 1832 reduced the number of capital crimes by two-thirds. In 1832, the death penalty was abolished for theft, counterfeiting, and forgery except for the forgery of wills and certain powers of attorney. Gibbeting was abolished in 1832 and hanging in chains was abolished in 1834. In 1837,