Every year, visitors tracing the story of San Ignacio de Loyola in Pamplona photograph the wrong fortress. The star-shaped Ciudadela, the great Renaissance stronghold on the south edge of the old city, was begun in 1571, fifty years after the cannonball. The castle Ignatius actually defended on May 20, 1521 was a different building entirely, the castle of Santiago, and it was demolished so thoroughly that its moat now lies under the foundations of a small Baroque chapel on Avenida de San Ignacio. The spot where the founder of the Jesuits fell is not inside that chapel either. A 1927 street realignment cut the building back and left the symbolic site outside its front door.
This matters because the Pamplona chapter is the hinge of one of the most consequential biographies in European history, and almost all English-language telling of it treats the city as scenery. The soldier who fell here became the founder of the Society of Jesus, the order that built schools and missions on every continent. If you stand in the wrong place, you also miss the stranger, more local story: the brothers of Navarra’s other great saint were shooting at Ignatius’s side of the walls that day.
What follows is built from the sources Pamplona itself relies on: the chronicle of José de Moret, the kingdom’s own seventeenth-century historian, the urban histories of archivist Juan José Martinena, the architectural research of the Cátedra de Patrimonio y Arte Navarro at the Universidad de Navarra, the Ayuntamiento’s urban sculpture records, and the Archdiocese of Pamplona’s documentation of the 2021 quincentenary.
What Actually Happened on May 20, 1521
The battle belongs to a bounded conflict of the early sixteenth century. Castile had taken the Kingdom of Navarra in 1512, and the displaced Albret monarchs spent the following decade trying to win it back. In May 1521, a Franco-Navarrese army under André de Foix, lord of Asparros, crossed the Pyrenees in support of King Enrique II of Navarra, with backing from Francis I of France. Pamplona opened its gates. The small Castilian garrison did not surrender with the town. It withdrew into the castle and prepared to hold.
Among the defenders was a thirty-year-old Gipuzkoan noble named Íñigo López de Oñaz y Loyola, serving alongside his brother Martín. The chronicles agree he argued against capitulation when others in the garrison saw the position as hopeless. On May 20, 1521, after a bombardment that biographers describe as lasting some six hours, a cannonball passed between his legs, shattering the right and tearing open the left. The 1601 Latin inscription later raised at the site records the wound “in utraque tibia,” in both legs. Resistance collapsed shortly after he fell.
What the attackers did next shaped everything that followed. The Franco-Navarrese soldiers treated the man who had prolonged the fight against them, and then carried him on a litter across the mountains to his family’s tower house at Loyola, Loiola in Basque, near Azpeitia in Gipuzkoa. During the long convalescence that followed, with nothing to read but a life of Christ and a book of saints’ lives, Íñigo began the interior turn that ended with him as Ignacio de Loyola, in Basque Ignazio Loiolakoa, founder of the Society of Jesus. Jesuits worldwide still mark May 20 as the anniversary of the cannonball, and the order’s Ignatian Year of 2021 and 2022 was anchored on the five hundredth anniversary of the Pamplona wound.
Two Families on Opposite Sides, Two Saints on the Same Altar
The detail that almost no English account includes is who was on the other side of the walls. Among the besieging army were Miguel and Juan de Jasso, lords of the castle of Javier in eastern Navarra. Their family had sided with the Navarrese restoration, and both brothers fought to recover the kingdom for Enrique II. Their youngest brother, then a fifteen-year-old student, was Francisco de Javier, Francis Xavier.
Hold the two futures side by side. The wounded Gipuzkoan defender became Ignatius of Loyola. The attackers’ little brother became the Jesuit missionary to India and Japan, and Navarra’s co-patron saint. The two men met years later as students in Paris, became the closest of collaborators, founded the Society of Jesus together with a handful of companions, and were canonized in the same ceremony on March 12, 1622. A war that put their families on opposite ends of the same artillery exchange produced, within one generation, two saints raised to the altars on the same day. The full story of how Xavier’s name came to stand beside San Fermín’s is told in our article on San Francisco Javier, Navarra’s other patron saint.
The scholarship behind this is not obscure in Spanish. The historian Jesús María Usunáriz documented the Loyola and Jasso alignments in the quincentenary studies published in 2021, and the Universidad de Navarra’s library exhibition on the conquest of Navarra lays out the same family paradox. It simply never crossed into the English travel canon.
The Castle of Santiago Is Not the Ciudadela
Here is where visitors go wrong on the ground. The English word “citadel” appears in nearly every account of the battle, and Pamplona has a magnificent citadel you can walk through today. But the Ciudadela was begun in 1571 under Philip II, half a century after the siege. Ignatius never saw it. The confusion is understandable and almost universal, and it sends people to the wrong end of the story.
The fortress that fell in 1521 was the castle of Santiago, identified by the archivist and historian Juan José Martinena, the leading authority on Pamplona’s urban evolution, as standing on the site of the former Dominican convent of Santiago. It occupied ground just inside the walls near the Puerta de San Nicolás, roughly where the Avenida de San Ignacio meets the gardens of the Palacio de Navarra today. After the wars ended, military engineering moved on. The old castle was razed, its successor was abandoned in favor of the new Ciudadela, and the site was eventually swallowed by the city. When builders dug the foundations for the commemorative chapel a century and a half later, Moret’s chronicle records that the work consumed its entire first budget because the masons were filling the razed moat of the old castle.
The deeper history of why Pamplona became one of Europe’s most heavily fortified cities, and what the 1512 conquest did to its skyline, is told in our article on Pamplona’s city walls. The political story of the kingdom those walls defended is covered in the history of the Kingdom of Navarra.
A Memorial Older Than the Sainthood
Pamplona began marking the spot before Rome had said anything at all. In 1601, the viceroy of Navarra, Juan de Cardona, raised a commemorative arch with a long Latin inscription at the place of the wounding. Ignatius at that point was neither saint nor blessed; beatification came in 1609 and canonization in 1622. The city, in other words, memorialized the fall of an enemy combatant eight years before the Church beatified him. That original inscription stone, the vetus inscriptio, survives in the Cámara de Comptos de Navarra.
The basilica came two generations later. Diego de Benavides, count of Santisteban and viceroy of Navarra from 1653 to 1661, left Pamplona to become viceroy of Peru, and from Lima he stirred Navarrese Jesuits in the Americas to fund a proper sanctuary on the site. Construction ran from 1668 to 1694 in two phases, stalling when the foundation work in the old moat exhausted the money. The Real Basílica de San Ignacio de Loyola was finally dedicated in October 1694, with the viceroy, the cathedral chapter and the entire garrison of the fortress city in attendance. The research of the Cátedra de Patrimonio y Arte Navarro at the Universidad de Navarra traces every phase of the building, down to the facade carved with military trophies rather than the usual ecclesiastical imagery, a church dressed as a fortification in memory of a soldier.
The building carries its later history on its face. The oval medallion added in 1743 once held the IHS monogram of the Society of Jesus; when Spain expelled the Jesuits in 1767, the emblem was chiselled off. Redemptorist priests took charge of the sanctuary in 1891 and still serve the adjacent church. Then came the blow that explains the site’s strange geography today: in 1927, to align the new Avenida de San Ignacio and make room for the much larger Iglesia de San Ignacio beside it, the basilica’s nave was cut back and its facade dismantled and rebuilt on a new line. The precise spot where the saint fell, which the original building had enclosed, was left outside the shortened temple. The basilica now serves as Pamplona’s chapel of perpetual eucharistic adoration, a quiet room in constant use in the middle of the modern city.
The Monument, and Standing on the Spot Today
Outside, in a small garden between the basilica and the church, stands one of the more quietly remarkable monuments in Pamplona. The bronze group shows the wounded Íñigo carried on a stretcher, four figures and a dog, at the moment of his lowest point. The composition is the work of Joan Flotats, a sculptor from Manresa, the Catalan town where Ignatius later wrote the Spiritual Exercises, and a collaborator of Antoni Gaudí. Flotats modeled the scene in the early 1900s for the Santuario de Loyola in Azpeitia. Pamplona received a stone replica by the Navarrese sculptor Áureo Rebolé in 1950, and after vandals mutilated the stone figures in the early 1990s, the Ayuntamiento had the group recast in bronze from Flotats’s surviving plaster original. The present bronze was installed on July 29, 2005, shaded by two Judas trees. The Ayuntamiento’s urban sculpture guide documents the full lineage.
The site repays ten minutes of anyone’s time. It sits on Avenida de San Ignacio in the Segundo Ensanche, three minutes south of the Plaza del Castillo, on flat ground the walls once guarded. A plaque marks the commemoration, and on May 20, 2021, the five hundredth anniversary, the Superior General of the Jesuits, Arturo Sosa, stood at that plaque beside the Archbishop of Pamplona for a floral offering documented by the Archdiocese of Pamplona. Five centuries on, the city still keeps the anniversary of the day it wounded the man who became San Ignacio de Loyola.
Frequently Asked Questions
Where exactly was Ignatius of Loyola wounded in Pamplona?
At the castle of Santiago, a fortress that stood near the Puerta de San Nicolás on ground now occupied by the Basílica de San Ignacio and the gardens along Avenida de San Ignacio, in what is today the Segundo Ensanche. The castle was demolished centuries ago. The basilica was built over its razed moat to mark the site, and since a 1927 street realignment the precise spot of the fall lies just outside the building, marked by a plaque and a bronze monument.
Was Ignatius of Loyola wounded at the Pamplona Ciudadela?
No. The Ciudadela was begun in 1571, fifty years after the 1521 siege, so Ignatius never set foot in it. English accounts that say he defended “the citadel” mean the earlier castle of Santiago, which no longer exists. If you want to stand where it happened, go to the Basílica de San Ignacio on Avenida de San Ignacio, not the Ciudadela.
What happened at the Battle of Pamplona in 1521?
A Franco-Navarrese army under André de Foix, supporting King Enrique II of Navarra with French backing, besieged Pamplona in May 1521 in an attempt to reverse the Castilian conquest of 1512. The town yielded, but the Castilian garrison held the castle, with Íñigo de Loyola among its most determined defenders. On May 20, after roughly six hours of bombardment, a cannonball shattered his right leg and wounded his left, the castle fell soon after, and the victors treated him and carried him home to Loyola in Gipuzkoa.
Can you visit the place where San Ignacio fell in Pamplona?
Yes, and it is free. The Basílica de San Ignacio on Avenida de San Ignacio is open as Pamplona’s perpetual adoration chapel, and the bronze monument of the wounded Íñigo on his stretcher stands in the garden beside it, a short walk from Plaza del Castillo. Look for the commemorative plaque on the exterior, which marks the traditional spot of the fall, and note the facade carved with military trophies instead of saints.
Every article on the Encierro blog is authored or reviewed by active bull runners with direct experience in Pamplona.