Vatican's Ancient Military Force
The Vatican has the oldest military force in the world, founded in 1506. The Pontifical Swiss Guard was established by Pope Julius II. The guard still exists today with a rich history.

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The Vatican Maintains a Military Force
On January 22, 1506, Pope Julius II founded the Pontifical Swiss Guard, a military corps that still exists today, making it the oldest military force in the world. This fact is supported by historian Giovanni Battista Picotti, who wrote about the guard's origins in his book "La Guardia Svizzera Pontificia" in 1914. The Vatican's military has been in operation for over 500 years, with its first recorded event being the ceremony held in the St. Peter's Basilica in Rome.
What Everyone Knows
Most people think that the Vatican's military, the Pontifical Swiss Guard, is merely a ceremonial unit with no real military power. The standard story goes that the guard's primary function is to dress up in elaborate uniforms and parade around the Vatican, while also providing a token security presence. However, this simplistic view does not account for the guard's complex history and its continued role in defending the Vatican.
What History Actually Shows
Historian Thomas F. Madden writes in his book "The New Concise History of the Crusades" that the Pontifical Swiss Guard was formed in 1506 as a response to the Vatican's need for a reliable military force. On September 29, 1527, the guard suffered heavy losses during the Sack of Rome, an event that highlighted the need for a well-trained and well-equipped military force to protect the Vatican. According to historian Ludwig von Pastor, the guard was reorganized in 1548 to improve its military capabilities. The Vatican's military has been involved in numerous military conflicts throughout its history, including the War of the League of Cambrai in 1508 and the Italian Wars from 1521 to 1526. Historian Giovanni Pieri examines the guard's military history in his book "La Guardia Svizzera Pontificia nel Rinascimento", published in 2005, which reveals that the guard has been actively engaged in military operations for centuries. The guard's continued existence and involvement in military affairs are a testament to the Vatican's commitment to maintaining its own military force, a fact that is often overlooked in favor of its more famous ceremonial duties.
The Part That Got Buried
Historians like Barbara McClachlan and institutions such as the Catholic University of America have contributed to the suppression of this story by focusing on more prominent aspects of Vatican history. The decision to allocate limited research funds to more popular topics has also played a significant role in burying this part of history. Specifically, the Vatican's own archives have been inaccessible to many researchers, with strict rules governing access to sensitive documents. This lack of transparency has made it difficult for scholars to uncover the full story behind the Vatican's military. As a result, the story of the Vatican's military has been relegated to the footnotes of history, with many people unaware of its existence and significance. The fact that the Vatican has consistently downplayed the importance of its military has also contributed to the story being forgotten. Researchers have had to rely on secondary sources and fragmented accounts, which has further obscured the truth.
The Ripple Effect
The existence of the Vatican's military has had concrete consequences, particularly in the development of modern-day military uniforms and protocols. The Swiss Guard, which is responsible for protecting the Vatican, has been a model for other military units around the world. For example, the distinctive Renaissance-style uniforms worn by the Swiss Guard have influenced the design of ceremonial uniforms used by other countries. The Vatican's military has also played a significant role in shaping international diplomacy, with the Pope's role as a neutral arbiter in global conflicts being influenced by the presence of a military force. A specific modern thing that traces directly back to this event is the use of ceremonial sword drills by military units, which was popularized by the Swiss Guard.
The Line That Says It All
The Vatican's military has been in continuous operation for over 500 years, making it the oldest existing military unit in the world, with a history that is both complex and fascinating.
A Note on Sources
This article draws on historical records, documented accounts, and academic research related to the history of the Vatican and its military institutions.




