The Northern Ireland (Emergency Provisions) Act 1973 was an Act of the Parliament of the United Kingdom which abolished the death penalty for murder in Northern Ireland, and established the Diplock courts in which terrorist offences were tried by a judge without a jury. It has mostly been repealed, the anti-terrorism provisions having been superseded by subsequent legislation. The death penalty had not been used in Northern Ireland since 1961, when Robert McGladdery was hanged. The Act banned membership under penalty of law in the following organisations: