The Inquisition began as a judicial procedure in the 12th century, not as a monolithic evil empire, but as a response to the spread of Catharism and Waldensianism in southern France. Before this period, the Church relied on excommunication and imprisonment, reserving execution for rare cases like Priscillian in the 4th century. The turning point came in 1184 when Pope Lucius III issued the bull Ad Abolendam, declaring heresy to be contumacy against ecclesiastical authority. This shift transformed the Church from a spiritual body into a legal prosecutor. The first formal inquisition was established in Languedoc, a region in southern France, where the Cathars had gained significant influence. The murder of Pope Innocent III's papal legate, Pierre de Castelnau, by Cathars in 1208 sparked the Albigensian Crusade, a brutal military campaign that paved the way for the permanent establishment of the Inquisition in 1229. By 1252, Pope Innocent IV issued the bull Ad extirpanda, which authorized the use of torture to extract confessions, marking the beginning of a system that would rely on fear, isolation, and physical coercion to maintain religious orthodoxy. The Inquisition was not merely a tool of the Church; it was a legal innovation that replaced arbitrary trial by ordeal with a structured, evidence-based process, albeit one that increasingly relied on the threat of violence to ensure compliance.
Medieval Inquisitions
The Medieval Inquisition operated across Europe, with the most active tribunals located in Languedoc, Italy, and Germany. In Languedoc, the first Dominican inquisitors were appointed in 1233, but their work was hampered by local resistance. Inquisitor Robert of Auvergne, active between 1233 and 1244, earned a grim reputation, burning approximately 50 people in Champagne and Flanders in 1236 and 183 Cathars in Montwimer on the 13th of May 1239. The center of persecution later shifted to the Alpine regions, where Waldensian communities had taken refuge. In Italy, the Inquisition was equally active, with over 170 Cathars captured in Sirmione in 1276 and subsequently imprisoned in Verona. After a two-year trial, more than 100 of them were burned on the 13th of February 1278. Inquisitor Ruggiero in Tuscany burned at least 11 people in about a year between 1244 and 1245. The Inquisition in Germany was marked by the notorious inquisitor Konrad of Marburg, who operated in the Rhineland and Thuringia between 1231 and 1233. Although documentation of his trials has not been preserved, chronicles mention that he burned many heretics, with the only concrete record being the burning of four people in Erfurt in May 1232. After his murder, burning at the stake in Germany was virtually unknown for the next 80 years. The Inquisition in Hungary and the Balkans remains poorly documented, but numerous conversions and executions of Bosnian Cathars are known to have taken place around 1239 or 1240. In Bohemia and Poland, the Inquisition was established permanently in 1318, with anti-heretical repressions carried out as early as 1315, when more than 50 Waldensians were burned in various Silesian cities. The Inquisition in the Czech lands and Poland issued at least 8 death sentences for some 200 trials, with 558 court cases finished with conviction researched in Poland from the 15th to 18th centuries. The Inquisition in the Czech lands and Poland issued at least 8 death sentences for some 200 trials, with 558 court cases finished with conviction researched in Poland from the 15th to 18th centuries.
The Spanish Inquisition was established in 1478 by King Ferdinand II of Aragon and Queen Isabella I of Castile, operating under royal Christian authority and independently of the Holy See. It was overseen by 14 local tribunals and primarily focused on forced converts from Islam (Moriscos) and Judaism (conversos or New Christians). The Alhambra Decree of 1492 expelled all Jews who had not converted from Spain, and Tomás de Torquemada was chosen as the first Grand Inquisitor. It is estimated that up to 2,000 Jews were burned at the stake during the reign of Queen Isabella. The Portuguese Inquisition formally started in Portugal in 1536 at the request of King João III, with the first auto-da-fé held in 1540. The Portuguese Inquisition principally focused upon the Jews from Spain, the Sephardi Jews, who had fled or whom the state had forced to convert to Christianity. Between 1540 and 1794, tribunals in Lisbon, Porto, Coimbra, and Évora resulted in the burning of 1,175 persons, the burning of another 633 in effigy, and the penancing of 29,590. The Portuguese Inquisition expanded its scope of operations from Portugal to its colonial possessions, including Brazil, Cape Verde, and Goa. The Goa Inquisition began in 1560 at the order of John III of Portugal, originally requested in a letter in the 1540s by Jesuit priest Francis Xavier. The Brazilian Inquisition was active in colonial Brazil, where the religious mystic and formerly enslaved prostitute, Rosa Egipcíaca, was arrested, interrogated, and imprisoned. She was the first black woman in Brazil to write a book, entitled Sagrada Teologia do Amor Divino das Almas Peregrinas. The Spanish Inquisition was formally ended by proclamation on the 15th of July 1834, by Maria Cristina de Bourbon, then queen regent of Spain. The Portuguese Inquisition continued as a religious court until 1821, investigating and trying cases of breaches of the tenets of orthodox Catholicism.
Roman Inquisition and Galileo
The Roman Inquisition was established in 1542 by Pope Paul III as the Congregation of the Holy Office of the Inquisition, a permanent congregation staffed with cardinals and other officials. It had the tasks of maintaining and defending the integrity of the faith and of examining and proscribing errors and false doctrines. The Roman Inquisition became the supervisory body of local Inquisitions, and its jurisdiction was limited to clergymen, while local parliaments took over the jurisdiction of the laity. A famous case tried by the Roman Inquisition was that of Galileo Galilei in 1633. The penances and sentences for those who confessed or were found guilty were pronounced together in a public ceremony at the end of all the processes, known as the sermo generalis or auto-da-fé. Penances might consist of pilgrimages, a public scourging, a fine, or the wearing of a cross. The wearing of two tongues of red or other brightly colored cloth, sewn onto an outer garment in an X pattern, marked those who were under investigation. The penalties in serious cases were confiscation of property by the Inquisition or imprisonment. Following the French invasion of 1798, the new authorities sent 3,000 chests containing over 100,000 Inquisition documents to France from Rome. The Roman Inquisition survived as part of the Roman Curia, although it underwent a series of name and focus changes, now part of the Dicastery for the Doctrine of the Faith. The Inquisition in Avignon, established in 1541, passed 855 death sentences, almost all of them (818) in the years 1566, 1574, but the vast majority of them were pronounced in absentia.
Torture and Proceedings
The primary method of torture used by the Inquisition was psychological, involving solitary confinement and indefinite incarceration. The real prevalence or extent of torture is disputed, with some historians arguing that victims were interrogated under physical torture only in extreme cases. The bull Ad extirpanda of 1252 allowed torture, but always with a doctor involved to avoid endangering life, and limited its use to non-bloody methods that did not break bones. The Strappado involved lifting the victim to the ceiling with his arms tied behind his back and then dropping him violently, which usually meant the dislocation of the victim's arms. The Rack or potro involved tying the prisoner to a frame and pressing, but stopping before or if the meat was pierced or blood flowed. The Water cure, now known as water boarding, involved tying the prisoner, inserting a cloth through his mouth down to his throat, and pouring one liter jugs of water into his mouth, causing the sensation of drowning and the stomach to swell until near bursting. The Inquisition also used psychological tactics, such as the threat of torture, to intimidate the accused into confessing. Many torture instruments were designed by late 18th and early 19th century pranksters, entertainers, and con artists who wanted to profit from people's morbid interest in the Dark Age myth by charging them to witness such instruments in Victorian-era circuses. The Iron Maiden, the Pear of Anguish, and the Spanish Boot are examples of instruments that were never used by the Inquisition, but are erroneously registered in various inquisition museums. The Inquisition's proceedings were designed to transform everyone into an Inquisition agent, reminding them that a simple word or deed could bring them before the tribunal. Denunciation was elevated to the status of a superior religious duty, filling the nation with spies and making every individual suspicious of his neighbor, family members, and any strangers he might meet.
Witch Hunts and Manuals
The fierce denunciation and persecution of supposed sorceresses that characterized the cruel witchhunts of a later age were not generally found in the first thirteen hundred years of the Christian era. While belief in witchcraft, and persecutions directed at or excused by it, were widespread in pre-Christian Europe, and reflected in old Germanic law, the growing influence of the Church in the early medieval era in pagan areas resulted in the revocation of these laws in many places, bringing an end to the traditional witch hunts. The prosecution of witchcraft generally became more prominent in the late medieval and Renaissance era, perhaps driven partly by the upheavals of the era , the Black Death, the Hundred Years War, and a gradual cooling of the climate that modern scientists call the Little Ice Age. Manuals for Inquisitors were produced over the centuries that it lasted, dealing with different types of heresy. The primordial text was Pope Innocent IV's bull, Ad Extirpanda, from 1252, which in its thirty-eight laws details in detail what must be done and authorizes the limited use of non-bloody, non-maining torture to corroborate certain evidence. Of the various manuals produced later, some stand out: by Nicholas Eymerich, Directorium Inquisitorum, written in 1376; by Bernardo Gui, Practica inquisitionis heretice pravitatis, written between 1319 and 1323. The controversial book Malleus Maleficarum (the witches' hammer), written in 1486, by ex-inquisitor Heinrich Kramer, deals with the subject. Heinrich Kramer was assistant to the Archbishop of Salzburg, a sensational preacher, and an appointed local inquisitor. Historian Malcolm Gaskill calls Kramer a superstitious psychopath. In 1484 Kramer requested that Pope Innocent VIII clarify his authority to conduct inquisitions into witchcraft throughout Germany, where he had been refused assistance by the local ecclesiastical authorities. They maintained that Kramer could not legally function in their areas. Despite some support from Pope Innocent VIII, he was expelled from the city of Innsbruck by the local bishop, George Golzer, who ordered Kramer to stop making false accusations. Golzer described Kramer as senile in letters written shortly after the incident. This rebuke led Kramer to write a justification of his views on witchcraft in his 1486 book Malleus Maleficarum. The book distinguishes itself from other demonologies by its obsessive hate of women and sex, seemingly reflecting the twisted psyche of the author. Historian Brian Levack calls it scholastic pornography. Despite Kramer's claim that the book gained acceptance from the clergy at the University of Cologne, it was in fact condemned by the clergy at Cologne for advocating views that violated Catholic doctrine and standard inquisitorial procedure. In 1538 the Spanish Inquisition cautioned its members not to believe everything the Malleus said. Despite this, Heinrich Kramer was never excommunicated and even enjoyed considerable prestige till his death.
Statistics and Legacy
Beginning in the 19th century, historians have gradually compiled statistics drawn from the surviving court records, from which estimates have been calculated by adjusting the recorded number of convictions by the average rate of document loss for each time period. Gustav Henningsen and Jaime Contreras studied the records of the Spanish Inquisition, which list 44,674 cases of which 826 resulted in executions in person and 778 in effigy. William Monter estimated there were 1,000 executions in Spain between 1530 and 1630, and 250 between 1630 and 1730. Jean-Pierre Dedieu studied the records of Toledo's tribunal, which put 12,000 people on trial. For the period prior to 1530, Henry Kamen estimated there were about 2,000 executions in all of Spain's tribunals. The opening of Spanish and Roman archives over the last 50 years has caused some historians to revise their understanding of the Inquisition, some to the extent of viewing previous views as a body of legends and myths. It has also been suggested that some instruments of torture, like the pear of anguish, were not invented until the 16th century or later. Many of the sources that discredit or undermine the torture are written by practicing Catholics. One example is Reverend Brian Van Hove, S.J., who suggests that the inquisition is overblown in popular imagination. However, this perspective fails to address that the majority of inquisitions led to torture, mass excommunications, and burnings which incited fear and submission in the general population, creating lasting effects on Europe. The majority of historical scholars continue to see the inquisition as an example of extremist religious leaders enforcing order and rooting out paganism through false accusations and inordinate violence. The Inquisition's legacy is complex, with some historians arguing that it was a brilliant and much-needed innovation in trial procedure, instituted by the greatest lawyer-pope of the Middle Ages, while others see it as a perversion of the original inquisitorial process. The Inquisition's impact on European society was profound, shaping the legal, religious, and cultural landscape of the continent for centuries.