Camerlengo of the Holy Roman Church in the context of "Pope Pius XII"

Pope Pius XII (Italian: Pio XII; born Eugenio Maria Giuseppe Giovanni Pacelli; 2 March 1876 – 9 October 1958) was head of the Catholic Church and sovereign of the Vatican City from 2 March 1939 until his death on 9 October 1958. He is the most recent pope to take the pontifical name "Pius".

The papacy of Pius XII was long, even by modern standards; it lasted almost 20 years, and spanned a consequential fifth of the 20th century. Pius was a diplomat pope during the destruction wrought by the Second World War, the recovery and rebuilding which followed, the beginning of the Cold War, and the early building of a new international geopolitical order, which aimed to protect human rights and maintain global peace through the establishment of international rules and institutions (such as the United Nations). Born, raised, educated, ordained, and resident for most of his life in Rome, his work in the Roman Curia—as a priest, then bishop, then cardinal—was extensive. He served as secretary of the Vatican's diplomatic Department of Extraordinary Ecclesiastical Affairs, papal nuncio to Germany, Camerlengo of the Apostolic Chamber, and Cardinal Secretary of State for the Holy See, in which capacity he worked to conclude treaties with various European and Latin American nations, including the Reichskonkordat treaty with Nazi Germany.

A chamberlain (Medieval Latin: cambellanus or cambrerius, with charge of treasury camerarius) is a senior royal official in charge of managing a royal household. Historically, the chamberlain superintends the arrangement of domestic affairs and was often also charged with receiving and paying out money kept in the royal chamber. The position was usually awarded as an honour to a high-ranking member of the nobility (nobleman) or the clergy, often a royal favourite. Roman emperors appointed this officer under the title of cubicularius. The Chamberlain of the Holy Roman Church enjoys very extensive powers, having the revenues of the papal household under his charge. As a sign of their dignity, chamberlains bore a key, which in the seventeenth century was often silvered, and actually fitted the door-locks of chamber rooms. Since the eighteenth century, it has turned into a merely symbolic, albeit splendid, rank-insignia of gilded bronze. In many countries there are ceremonial posts associated with the household of the sovereign.

The Apostolic Camera (Latin: Camera Apostolica), formerly known as the Papal Treasury, was an office in the Roman Curia. It was the central board of finance in the papal administrative system and at one time was of great importance in the government of the States of the Church and in the administration of justice, led by the Camerlengo of the Holy Roman Church, originally known as camerarius (chamberlain).

In 2022, Pope Francis's apostolic constitution Praedicate evangelium abolished the office as of 5 June.

On 21 April 2025 (Easter Monday), at 07:35 CEST (UTC+2), Pope Francis died at the age of 88 at Domus Sanctae Marthae in Vatican City. His death was announced by Cardinal Kevin Farrell, the Camerlengo, in a broadcast by Vatican Media and in a video statement at 09:45 on the same day. Francis had served as pope, the head of the Catholic Church, for twelve years since his election on 13 March 2013. He was the second pope to die in office in the 21st century, after John Paul II in 2005.

Francis's death followed a five-week stay in hospital a month earlier, where he suffered from a respiratory tract infection and double pneumonia. The cause of his death was officially registered as a stroke followed by irreversible cardiac arrest. Francis's Requiem Mass was celebrated on 26 April, five days after his death, and he was buried at Santa Maria Maggiore. The consequent conclave, which began on 7 May, elected Robert Francis Prevost as Francis's successor, who took the papal name Leo XIV, and was inaugurated on 18 May.

Benedetto Aloisi Masella (29 June 1879 – 30 September 1970) was an Italian cardinal of the Roman Catholic Church who served as prefect of the Discipline of the Sacraments from 1954 to 1968, and as chamberlain of the Roman Church (or camerlengo) from 1958 until his death. Aloisi Masella was elevated to the cardinalate in 1946 by Pope Pius XII, whom he designated to canonically crown Our Lady of Fatima.

The Palazzo della Cancelleria (Palace of the Chancellery, referring to the former Apostolic Chancery of the Pope) is a Renaissance palace in Rome, Italy, situated between the present Corso Vittorio Emanuele II and the Campo de' Fiori, in the rione of Parione. It was built 1489–1513 by Baccio Pontelli and Antonio da Sangallo the Elder as a palace for Raffaele Cardinal Riario, Camerlengo of the Holy Roman Church, and is regarded as the earliest Renaissance palace in Rome.

The Palazzo houses the institutions of justice of the Roman Curia, is an extraterritorial property of the Holy See, and is designated as a World Heritage Site.