Outside the Pantheon in Rome at night

Pantheon

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The Pantheon stands as one of the most remarkable feats of ancient engineering, boasting a massive dome that remains the largest of its kind in the world. Stepping inside, visitors are immediately struck by the immense circular space and the ethereal glow provided by the oculus, which is a central opening that lets in both sunlight and rain. This is a place where history feels tangible, having transitioned from a pagan temple dedicated to all gods to a serene Christian basilica. Its architectural perfection, where the interior height exactly matches its diameter, creates a harmonious atmosphere that has inspired artists for centuries. Visitors can marvel at the final resting places of Renaissance masters and Italian royalty while feeling the ancient weight of nearly two thousand years of history. This iconic landmark serves as a breathtaking bridge between the classical world and the modern era.

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History of Pantheon

The story of the Pantheon is a remarkable tale of resilience that began with Marcus Agrippa, the trusted advisor to Emperor Augustus. While the inscription on the front still bears his name, the building we admire today was actually the vision of Emperor Hadrian, who rebuilt it around 125 AD after earlier structures were lost to fire. Hadrian was a man of deep intellectual curiosity and he likely intended for the rotunda to represent the universe itself. By merging a traditional Greek porch with a revolutionary circular dome, he created a space that defied the architectural standards of the ancient world and remains a wonder of engineering to this day. Its survival through the turbulent Middle Ages is largely credited to its conversion into a Christian church in the seventh century. When the Byzantine Emperor Phocas presented the building as a gift to Pope Boniface IV, it was dedicated to the Virgin Mary and all the martyrs. This sacred status protected the Pantheon from being dismantled for building materials, a fate that befell many other Roman ruins. Over the centuries, it became a symbol of continuity, serving as a silent witness to the rise and fall of empires while maintaining its original bronze doors and much of its ancient marble interior. By the time of the Renaissance, the Pantheon had achieved the status of an architectural legend, becoming the final resting place for the painter Raphael. In the nineteenth century, it took on new significance as the mausoleum for the kings of unified Italy, cementing its place as a temple of national identity. Today, it remains a living monument where the sun still tracks across the ceiling in the same way it did for the emperors, inviting visitors to experience the enduring spirit of Rome.

9 Events spanning 1956 years

YEAR -27

Agrippa Founds the Original Temple

Marcus Agrippa, the close friend and son in law of Emperor Augustus, commissions the original temple on this site during his third consulship.

YEAR 80

The Great Fire of Rome

A massive fire sweeps through the Champ de Mars, destroying many of the iconic monuments including the original Pantheon built by Agrippa.

YEAR 110

Fire Strikes Again

A second major fire during the reign of Trajan necessitates a complete reconstruction of the sacred site.

YEAR 125

Hadrian Completes the Masterpiece

Emperor Hadrian finishes the extraordinary rotunda we see today, choosing to keep Agrippa's original name on the facade out of respect.

YEAR 202

The Severan Restoration

The emperors Septimius Severus and his son Caracalla carry out vital repairs and add the beautiful marble marquetry to the interior.

YEAR 608

The Temple Becomes a Church

In a pivotal moment for its survival, the Byzantine Emperor Phocas gifts the temple to Pope Boniface IV, who consecrates it as a church.

YEAR 1520

Raphael Finds Eternal Rest

The world famous Renaissance painter Raphael is buried here according to his final wishes, setting a precedent for the site as a national shrine.

YEAR 1883

The Donkey Ears are Removed

Unpopular bell towers added by Bernini are finally removed to restore the building to its authentic Roman appearance.

YEAR 1929

The Palatine Basilica is Established

The Lateran Treaty officially establishes the Pantheon as the Palatine Basilica, making it the primary national church of Italy.

Fun Facts

  • A perfect sphere with a diameter of exactly 43.3 metres would fit inside the interior, touching the floor and the summit of the dome simultaneously.
  • During the Pentecost ceremony, thousands of red rose petals are dropped through the oculus to symbolise the descent of the Holy Spirit.
  • Legend has it that the bronze for the great canopy in St Peter's Basilica was taken from the Pantheon's ceiling by the Barberini family.
  • On April 21st each year, the beam of sunlight from the oculus perfectly illuminates the entrance door to mark the anniversary of Rome's founding.
  • Raphael chose to be buried here because he believed the building was the most perfect example of human architecture ever created.
  • The architects used a specific mix of concrete that becomes lighter as it reaches the top, incorporating heavy travertine at the base and light pumice at the peak.
  • The dome of the Pantheon is the largest unreinforced concrete dome in existence, a record it has held for nearly two thousand years.
  • The marble floor is slightly convex and features twenty two tiny drainage holes to prevent flooding when rain falls through the open oculus.
  • The sixteen massive granite columns that support the porch were quarried in the Egyptian desert and transported across the Mediterranean Sea.
  • The tombs of the first kings of unified Italy, Victor Emmanuel II and Umberto I, are located here and are guarded by honourary sentinels.

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