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St. Peter's Square and Basilica in Vatican City during twilight.
Rewind to the 1st century AD.
Christian tradition holds that St. Peter, Jesus’ apostle, was martyred in Rome and buried on Vatican Hill.
A shrine grew around his tomb, eventually becoming St. Peter’s Basilica. This sacred site set the stage for everything.
The Crucifixion of Saint Peter by Caravaggio
Fast-forward to the 4th century.
Emperor Constantine legalized Christianity and donated land to the Church, including Vatican Hill.
The Popes began to flex their spiritual and political muscles, ruling central Italy in what became the Papal States.
The Vision of Constantine, a monumental Baroque sculpture created by Gian Lorenzo Bernini between 1654 and 1670.
For centuries, the Papal States were a major player in European politics.
Popes weren’t just priests — they were princes, commanding armies and cutting deals with kings. By the Middle Ages, they controlled a chunk of Italy, from Rome to Ravenna.
But trouble brewed in the 19th century.
Italy’s unification movement, the Risorgimento, aimed to consolidate the peninsula into one nation. The Papal States stood in the way.
By 1870, Italian forces captured Rome, stripping the Pope of his lands.
Pope Pius IX was not happy.
He declared himself a 'prisoner in the Vatican', refusing to recognize the new Italian state.
The Roman Question was born: what to do with a Pope who’d lost his turf but still claimed divine authority?
Pope Pius IX with King Francesco II of the Two Sicilies and others in Anzio, Italy, in 1862.
For decades, the Popes holed up in the Vatican, sulking (diplomatically, of course).
They relied on donations and their global spiritual influence to stay relevant. Meanwhile, Italy wasn’t keen on evicting the Pope — too much bad PR.
A historical view of St. Peter's Square (Piazza San Pietro) in Vatican City. The photo was taken in the late 19th or very early 20th century.
In 1929, the game-changer. Italy’s fascist leader, Benito Mussolini, saw a chance to score points with Catholics. He negotiated with Pope Pius XI, leading to the Lateran Treaty.
This deal birthed Vatican City as a sovereign state.
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Back to the article!
In 1929, the Lateran Treaty was signed between the Holy See and the Kingdom of Italy, establishing Vatican City as an independent city-state.
The Lateran Treaty was a masterclass in compromise.
Italy recognized Vatican City’s independence, gave the Church compensation for lost lands, and made Catholicism Italy’s state religion (until 1984).
In return, the Pope recognized Italy.
The Treaty allowed international recognition of the sovereignty of the Holy See, helping the Church's mission globally.
So, what’s the Vatican’s deal today?
It’s a theocratic elective monarchy with the Pope as its absolute ruler — no parliament, just divine law.
The Pope is chosen by the College of Cardinals in a papal conclave. Vatican City has its own bank, post office, and even a tiny army: the Swiss Guard. Small, but mighty.
Vatican City’s economy runs on donations, museum ticket sales, and stamp collecting (yes, really).
It also got a unique status: no citizens are born there, and 'citizenship' is tied to roles like cardinals or guards.
Talk about exclusive!
The Vatican Museums (Musei Vaticani) entrance, a major attraction in Vatican City.
The Vatican’s story is a masterclass in history’s twists: from St. Peter’s tomb to a sovereign state, it proves even the smallest places hold epic tales.
Saint Peter’s Basilica
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