What does ACTES stand for? 

actes

Actes et Documents du Saint Siège relatifs à la Seconde Guerre Mondiale (French for Acts and Documents of the Holy See related to the Second World War), often abbreviated Actes or ADSS, is an eleven-volume collection of documents from the Vatican historical archives, related to the papacy of Pope Pius XII during World War II. The collection was compiled by four Jesuit priest-historians—Pierre Blet (France), Angelo Martini (Italy), Burkhart Schneider (Germany), and Robert A. Graham (United States)—authorized by Pope Paul VI in 1964, and published between 1965 and 1981. The remainder of the documents from Pius XII's papacy were finally released almost forty years later by order of Pope Francis on March 2, 2020. The completed catalog includes approximately 16 million documents from Pius XII's papacy (1939-1958), divided into approximately 700 boxes related to the Cardinal Secretary of State and the various nunciatures. According to Catholic sources, "The delays were largely due to the extensive cataloguing required."

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