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
Treason the death penalty for murder in 1965 an execution for treason was unlikely to have been carried out. Treason laws were used against Irish insurgents before Irish independence. However, members of the Provisional IRA and other militant republican groups were not prosecuted or executed for treason for levying war against the British government during the Troubles. They, along with members of loyalist paramilitary groups, were jailed for murder, violent crimes or terrorist offences. William Joyce ("Lord Haw-Haw") was the last person to be put to death for treason, in 1946. (On the following day Theodore Schurch was executed for treachery,