Every short version of 1512 tells the same story: Fernando el Católico conquered Navarra, and the map of modern Spain closed. That version skips the person standing in his way. Navarra in the summer of 1512 was not a vacant territory waiting to be absorbed. It had a reigning queen, Catalina de Navarra, known also as Catalina de Foix, who had governed the kingdom from Pamplona for nearly three decades with her husband, Juan de Albret. She did not abdicate, negotiate a sale, or die out without an heir. She was invaded, and her name has been quietly dropped from most retellings ever since.
This matters beyond a footnote correction. The version without Catalina makes 1512 sound tidy, almost inevitable, a natural step in Spain’s unification. The version with her in it is a story about a professional army marching on a sitting monarch’s capital, backed by a papal document Fernando had requested in writing before he had legal grounds to use it. Understanding that difference changes what the year 1512 actually represents to Pamplona: not a transition, but a conquest of a specific woman’s government, carried out inside the same streets where the encierro runs today.
This account draws on the Ayuntamiento de Pamplona’s own historical profile of Catalina I de Navarra, the Real Academia de la Historia’s biographical dictionary, and English and Spanish-language academic scholarship on the conquest, cross-checked against each other for the dates, troop figures, and sequence of events below.
A Teenage Queen Who Turned Pamplona Into a Capital
Catalina was born in 1468 in Mont-de-Marsan, in Gascony, the daughter of Gastón de Foix, a direct descendant of Navarra’s King Carlos III el Noble, and Magdalena de Valois, sister of the French king Louis XI. When her older brother, Francisco Febo, died in 1483, she inherited the throne while still a teenager. Her mother, Magdalena, governed as regent through the early years.
In 1484 Catalina married Juan de Albret, a Gascon noble, in Orthez. Juan became king through the marriage rather than by blood, a status known as jure uxoris. Their coronation should have followed quickly. Instead it was delayed almost a decade by Navarra’s own internal civil war, a decades-long feud between two noble factions known as the Beaumonts, based in the Pyrenean north around Pamplona, and the Agramonts, based on the plain around Estella, Olite, and Tudela. Only after Catalina and Juan’s crown negotiated a truce with the rebellious Count of Lerín, the Beaumont faction’s leader, were they finally crowned together in Pamplona Cathedral, on January 12, 1494, before Navarrese nobles and Castilian and French ambassadors.
What followed was not a caretaker reign. According to the Ayuntamiento de Pamplona’s own account, the city became the kingdom’s settled political, cultural, and administrative capital under Catalina and Juan, with an active court that drew humanists and intellectuals from across the region. Catalina backed the installation of Pamplona’s first printing press and the founding of a grammar school, an early forerunner of the city’s later educational institutions. Between 1492 and 1512 the couple raised a large family in the city, most of their children born and educated there. This is the government that existed the summer the invasion came, not a hollow throne waiting for a stronger claimant.
The Papal Bull Fernando Ordered Before He Had a Reason to Use It
The invasion did not begin with a battle. It began with a letter. In August 1511, Pope Julius II declared the Holy League against France, and Fernando joined it. Navarra, caught between Castile-Aragón to the south and France to the north, declared neutrality, a position both major powers found inconvenient.
Fernando wanted to move troops through Navarra to strike French territory in Guyenne, and he needed a legal pretext for taking the kingdom that stood in the way. On June 5, 1512, he wrote directly to Pope Julius II asking him to issue a bull excommunicating everyone in the kingdom of Navarra and the neighboring principality of Béarn, on the grounds that Catalina and Juan were schismatics allied with France. Two days later, on June 7, he wrote to his own ambassador in Rome pressing for speed, noting plainly that his army was already assembled and his artillery ready to move.
Catalina and Juan, for their part, were negotiating the opposite: a treaty with the French king Louis XII meant to guarantee Navarra’s neutrality, not to draw it into war. That agreement, the Fourth Treaty of Blois, was signed on July 18, 1512. Fernando’s troops crossed into Navarra from Álava the very next day, under the command of Fadrique Álvarez de Toledo, second Duke of Alba, a veteran commander of the conquest of Granada.
The papal bull Fernando had requested, Pastor Ille Caelestis, was not issued until July 21, three days after the invasion had already begun, and it did not even name Navarra directly. A second bull naming Catalina and Juan specifically as excommunicated schismatics, Exigit Contumaciam, was not issued until February 18, 1513, six months after Pamplona had already fallen. The paperwork arrived after the fact. It functioned as retroactive cover for an invasion Fernando had already resourced, planned, and launched.
Two Weeks to Take a Seven Hundred Year Old Kingdom
Fernando’s assault force numbered roughly 6,000 veteran troops, with the full expedition, rearguard included, closer to 15,000. Pamplona’s own population at the time was under 10,000. The mismatch alone made resistance nearly impossible, but Navarra’s internal politics made it worse. Louis de Beaumont, Count of Lerín, hosted the invading army at his own fortified palace at Arazuri, a few kilometers outside the capital. That palace still stands today, partly ruined and privately owned after a 1991 roof collapse and later restoration.
Catalina and Juan fled toward Tudela hoping to raise a defending force of their own. They managed to recruit only around 500 men, hopelessly outmatched. Pamplona’s walls were thin, and with the threat of a sack hanging over the city, its own authorities surrendered without a fight on July 25, 1512, the same week the invasion had started. Messengers fanned out across Navarra demanding the same surrender from every other fortress in the kingdom. Nearly all complied within weeks. A handful held out longer, including Estella-Lizarra and Tudela, which was besieged until September 9, 1512.
By late August 1512, with most of Iberian Navarra under his control, Fernando declared himself king de iure propio, in his own right, before either papal bull had even named the kingdom. The legal justification, in other words, was still being assembled while the political fact was already settled on the ground.
A Kingdom Annexed Twice, and No Navarrese Present the Second Time
Conquest and annexation were two separate acts, spaced a year and a half apart, and the gap between them tells its own story about how thin the legal cover really was.
Between March 13 and 24, 1513, the Cortes, or Parliament, of Navarra convened in Pamplona and accepted Fernando as king. Only Beaumont-party representatives attended. The Agramont loyalists who had supported Catalina and Juan were in exile or still resisting, and had no voice in the vote that formally ended their monarchs’ rule. Fernando swore in return to preserve Navarra’s fueros, its own separate laws, courts, and institutions, an oath every subsequent Spanish monarch would repeat. Those institutions did not simply fade after 1512: as this site’s own account of the kingdom’s full history covers in depth, Navarra kept its own laws and identity inside the Spanish monarchy for another 329 years.
That was still, on paper, a change of king within a kingdom that remained Navarra’s own. The deeper break came two years later. On June 11, 1515, the Cortes of Castile convened in Burgos, with no Navarrese representatives present at all, and formally annexed the Kingdom of Navarra to the Crown of Castile itself. Fernando confirmed the annexation on July 7, 1515, again swearing to respect Navarra’s laws. Even Louis de Beaumont, Count of Lerín, Fernando’s own longtime ally inside Navarra, protested this final step and was imprisoned for it. The man who had hosted the invading army at his own castle in 1512 discovered, three years later, that the annexation went further than his own loyalty to Castile had been meant to reach.
Exile, an Unanswered Wish, and a War That Didn’t End in 1512
Catalina and Juan did not simply disappear from history after 1512. They retreated first to Tudela, then east to Lumbier, then north across the Pyrenees into the portion of their kingdom the invasion never reached: Baja Navarra, known in Basque as Nafarroa Beherea, together with their family’s other territory of Béarn. From their base at Orthez they continued to style themselves king and queen of Navarra and worked, unsuccessfully, to recover the rest of their kingdom for the remainder of their lives.
Juan de Albret died in 1516. Catalina died on February 12, 1517, in Mont-de-Marsan. She had asked to be buried in Pamplona Cathedral, in the city she had spent nearly thirty years governing. Instead, according to the Ayuntamiento de Pamplona’s own record, she rests in the Cathedral of Lescar, in France, on the far side of the mountains from the capital she never stopped calling her own. Her son, Enrique de Albret, inherited the title of King of Navarre over what remained of the northern kingdom, raised under the guardianship of his grandfather.
The fighting, too, outlasted 1512 by nearly two decades. A first attempt to retake the kingdom in 1516 failed quickly. A far larger Franco-Navarrese campaign in 1521, led on behalf of Catalina’s own son, briefly recaptured Pamplona itself before being pushed back, in the same siege during which a young Castilian courtier named Íñigo López de Loyola was wounded defending the city, an injury that would eventually turn him toward the religious life that made him Saint Ignatius of Loyola, a siege this site covers in full elsewhere. Only the 1529 Treaty of Cambrai finally fixed the border along the Pyrenees for good, leaving the southern kingdom under the Spanish crown and the northern remnant independent, under the House of Albret, for several more decades.
Frequently Asked Questions
Who was the last queen of independent Navarra?
Catalina I de Navarra, also known as Catalina de Foix, was the last monarch to govern the Kingdom of Navarra from its own capital, Pamplona, before the 1512 conquest. She reigned alongside her husband, Juan de Albret, from 1483 until the invasion forced them into exile in 1512, and she continued to rule the northern remnant of the kingdom from Béarn until her death in 1517.
Why did Fernando el Católico invade Navarra in 1512?
Fernando used Navarra’s neutrality in the Holy League’s war against France as his pretext, requesting a papal bull to brand Catalina and Juan as schismatics before he had any battlefield justification for the claim. The actual bull naming them was not issued until months after his troops had already taken Pamplona, meaning the legal case followed the invasion rather than causing it.
Did Navarra resist the Spanish conquest of 1512?
Pamplona itself surrendered without a fight because the city’s ruling faction was politically aligned with the invaders, but resistance continued elsewhere in the kingdom for weeks, and organized attempts to reverse the conquest followed in 1516 and again in 1521, when a Navarrese and French force briefly retook Pamplona before being driven out.
What happened to Catalina de Navarra’s descendants?
Her son, Enrique de Albret, continued to rule the northern remnant of the kingdom, Baja Navarra, as titular King of Navarre. That line’s royal title eventually passed down to his own descendants, while the southern kingdom Catalina lost in 1512 remained under the Spanish crown, retaining its own laws and institutions for more than three centuries afterward.
Every article on the Encierro blog is authored or reviewed by active bull runners with direct experience in Pamplona.