How a 1929 treaty ended sixty years of papal imprisonment

How a 1929 treaty ended sixty years of papal imprisonment
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In short: For decades, the Popes lived as voluntary prisoners within the Vatican, refusing to recognize the Italian state. This diplomatic deadlock, known as the Roman question, remained unresolved until a landmark agreement between the Fascist government and the Holy See fundamentally redrew the map of Europe.

Following the unification of Italy in the 19th century, the Papal States were systematically dismantled. By 1870, the Italian government had annexed the remaining papal territories, including Rome, making it the nation's capital. In response, the Popes refused to accept the Italian government's 1871 Law of Guarantees, which offered use of the Vatican and Lateran Palaces without true sovereignty. Consequently, each Pope thereafter resided as a 'prisoner of the Vatican,' a period of diplomatic hostility that lasted nearly sixty years.

The impasse was broken by the Lateran Treaty, signed on February 11, 1929. Negotiated starting in 1926, the agreement was signed by Benito Mussolini, representing the Italian government under King Victor Emmanuel III, and Cardinal Secretary of State Pietro Gasparri for Pope Pius XI. The treaty officially recognized the State of Vatican City as an independent, sovereign nation—the world's smallest fully independent nation-state—effectively resolving the 'Roman question.'

The Lateran Pacts also included a financial convention to compensate the Church for its lost territories and a concordat to regulate relations between the Italian state and the Catholic Church. While the treaty's status as the sole regulator of religion in Italy was revised in 1984, the sovereign status of Vatican City remains. Today, this tiny enclave of just 0.44 square kilometers serves as the seat of the Roman Catholic Church, maintaining its own postal system, banking, and even a radio station broadcasting in 40 languages.

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