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Vatican Apostolic Archive

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The Vatican Apostolic Archive is the central repository for all official acts of the Holy See. Located in Vatican City, it serves as a massive collection of historical records. This archive includes state papers, correspondence, and account books accumulated over many centuries. The Pope acts as the sovereign of Vatican City and owns the materials. This ownership remains with him until his death or resignation. At that point, the collection passes to his successor.

Interiors of Vatican Secret Archives B
Interiors of Vatican Secret Archives B

For a long time, the collection was known as the Vatican Secret Archive. The word "secret" did not mean the documents were confidential in the modern sense. Instead, it meant the archive was the private property of the Pope. This is similar to how terms like "secret servant" once described a position of high honor. In 2019, Pope Francis officially changed the name to the Vatican Apostolic Archive. Despite this name change, some materials remain classified. Most restricted items relate to contemporary figures or activities occurring after 1958.

Frederick II swear an oath to pope honorius III in haguenau september 1219 (parchment from the vatican secret archives - recto)
Frederick II swear an oath to pope honorius III in haguenau september 1219 (parchment from the vatican secret archives - recto)

The history of these records began in the 1st century of Christianity. Early collections were known as the Holy Scrinium or the Chartarium. Because Popes traveled for diplomacy, they often took these records with them. This constant movement caused the loss of many important items. By the 11th century, the archives were split between three different sites. These locations included the Lateran, St. Peter's Basilica, and the Palatine palace. During the Western Schism, rival claimants to the papacy even created their own separate archives. It took until 1784 to fully reunite these disparate collections in the Vatican.

In 1612, Pope Paul V ordered all Church records to be gathered in one place. He separated the archive from the Vatican Library. This created a dedicated space for these historical documents. However, the archive faced a major crisis during the Napoleonic Wars. In the 1790s, Napoleon Bonaparte demanded manuscripts as tribute from the Italian peninsula. By 1813, more than 3,000 crates of Vatican materials had been shipped to Paris. The documents were stored at the Hôtel de Soubise. When the archive was finally ordered back to the Vatican in 1814, it faced funding problems. Some officials even sold documents by weight to raise money. Scholars estimate that one-fourth to one-third of the materials never returned to the Vatican.

Access for researchers changed significantly during the 19th century. For many years, the archive remained closed to outsiders. In 1879, Pope Leo XIII appointed Cardinal Josef Hergenröther as archivist. Hergenröther recommended that historians be allowed to study the documents. This led to the construction of a reading room that opened in 1881. Pope Leo XIII believed that impartial research could clarify the role of the papacy in history. He famously encouraged researchers to "go to the sources." Today, more than one thousand researchers examine documents in the archive each year.

Interiors of Vatican Secret Archives B
Interiors of Vatican Secret Archives B

The archive contains a staggering amount of information. It holds an estimated 16 million pages of documents. The selective catalogue alone contains 35,000 volumes. Researchers can find the complete papal registers starting from the reign of Pope Innocent III in 1198. The collection includes famous items like Henry VIII's request for an annulment. There are also handwritten transcripts from the trial of Galileo. You can even find letters from Michelangelo regarding his work on the Sistine Chapel.

Frederick II swear an oath to pope honorius III in haguenau september 1219 (parchment from the vatican secret archives - recto)
Frederick II swear an oath to pope honorius III in haguenau september 1219 (parchment from the vatican secret archives - recto)

Modern popes have made important decisions regarding what the public can see. In 2002, Pope John Paul II opened documents regarding the Holy See's relations with Germany. This helped researchers study the Church's relationship with the Nazi Party. In 2018, Pope Francis ordered the opening of documents related to Theodore McCarrick. Most recently, on March 2, 2020, the archives of Pope Pius XII were opened. This allows for a better study of his response to the Holocaust. These decisions show that the Church is willing to engage with modern historical scrutiny.

Interiors of Vatican Secret Archives B
Interiors of Vatican Secret Archives B

Visiting the archive requires following very strict rules. Only distinguished scholars from higher education institutions may apply for an entry card. Applicants must explain the specific purpose of their research. Once inside, visitors are limited to using only paper, pencil, and laptops. No ink, pens, or digital cameras are permitted. To maintain order, only sixty academics are allowed inside each day. This ensures that the massive collection of 16 million pages remains protected for future generations.

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File:Interiors of Vatican Secret Archives B.png
Interiors of Vatican Secret Archives B.png
File:Frederick II swear an oath to pope honorius III in haguenau september 1219 (parchment from the vatican secret archives - recto).jpg
Frederick II swear an oath to pope...
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