To understand Jesús de Tavarangué you have to know the extraordinary system of the Guaraní Jesuit reductions, one of the most fascinating and debated chapters of American history. From the seventeenth century, the missionaries of the Society of Jesus developed in the south of present-day Paraguay and the neighboring regions (today Argentina and Brazil) a network of mission towns where the Guaraní lived organized under the guidance of the Jesuits, in self-sufficient communities apart from the encomienda and from colonial exploitation.
In the reductions, the Guaraní kept much of their language and culture, while adopting Christianity and learning trades, arts, music and European techniques. Each town was organized around a great square, with its church, its college, its workshops, its dwellings and its communal farmland. Agricultural and craft production sustained the community, and the surplus was traded. It was, in many senses, a planned society of notable complexity.
Music, sculpture, painting and architecture flourished in the reductions, giving rise to a style of their own, the 'Guaraní Baroque', the fruit of the fusion between European art and the sensibility and mastery of the Guaraní artisans. The missions came to house tens of thousands of people and constituted a social and cultural experience without parallel. Jesús de Tavarangué was one of the reductions of this system, neighbor of Trinidad, and shares with it the status of World Heritage Site.
The reduction of Jesús de Tavarangué had an origin tied to the frequent relocations that characterized the Guaraní missions. Like many other reductions, Jesús was relocated throughout its history in search of better lands, greater security and a more suitable site, until it settled at its final location in the present-day department of Itapúa, in the early eighteenth century, near the also famous Trinidad.
Once settled, Jesús developed as one more Guaraní-Jesuit community of the mission system: with its central square, its dwellings, its college, its workshops and its farmland, and with community life organized around faith, work, teaching and the arts. The Guaraní of Jesús, like those of the other reductions, combined their culture with the knowledge and religion brought by the Jesuits.
The great project of Jesús was the construction of a monumental church, conceived with exceptional dimensions and an ambitious design that included notable Moorish-inspired trefoil arches. That work, undertaken at the height of the mission system, was destined to be one of the largest of all the missions. However, fate had an abrupt end in store for Jesús that would leave that church forever unfinished.
The feature that defines Jesús de Tavarangué and sets it apart from all the other missions is its great unfinished church. Designed with colossal dimensions, it was going to be one of the largest churches in the whole system of Guaraní reductions, a monumental temple worthy of the height the mission was experiencing in the eighteenth century. Its construction, however, was interrupted forever before it could be completed.
The most characteristic thing about this church is its trefoil arches —three-lobed arches— that frame the entrances, an element of clear Moorish or Mudéjar inspiration that is unusual in mission architecture and that gives Jesús a distinctive, unmistakable stamp. These arches, along with the robustness of the walls and the breadth of the floor plan, let you imagine the grandeur the church would have reached had it been finished, and are one of the most photographed and admired subjects of the Paraguayan Jesuit heritage.
The unfinished church of Jesús is today, paradoxically, its greatest treasure: the high walls open to the sky, roofless, convey at once the ambition of the project and the abruptness of its interruption. Touring it is a moving experience, different from that of any other mission: here the emotion arises precisely from the unfinished, from the cut-short dream turned into a monument. It's the physical testimony, in stone, of the abrupt end of an entire era.
The destiny of Jesús de Tavarangué, like that of all the Guaraní reductions, changed abruptly and definitively with the expulsion of the Society of Jesus from the dominions of the Spanish Crown, decreed by King Charles III in 1767. The measure, part of a wave of expulsions of the Jesuits in the European monarchies of the time, responded to political tensions and to the enormous influence the Society had accumulated. For the missions, it meant the beginning of the end.
With the departure of the Jesuits, the reductions were left without the guidance that had articulated for more than a century their social, economic and cultural organization. The Guaraní communities came to depend on other administrations and religious orders that failed to sustain the complex system. The economy became disorganized, many Guaraní abandoned the towns and the missions entered a progressive and irreversible decline over the following decades.
In Jesús, the effect was immediate and visible: the construction of the monumental church, in full progress, stopped and was never resumed, leaving the church forever unfinished. The buildings gradually deteriorated and nature reclaimed ground. Thus, what had been one of the great architectural bets of the mission system was frozen in time, turned into a mute testimony of a project interrupted at the peak of its ambition.
After the decline that followed the expulsion of the Jesuits, Jesús de Tavarangué was abandoned for a long time. The unfinished church and the rest of the buildings suffered the passage of the years, the action of the climate and, in some cases, the looting of materials. The jungle and the vegetation advanced over the ruins, and the complex, once a prosperous Guaraní-Jesuit community, remained a silent testimony in the middle of the Itapúa countryside.
Over time, the exceptional historical and artistic value of these ruins began to be recognized. Already in the twentieth century, the Jesuit missions of Paraguay were the subject of studies, conservation tasks and enhancement works that made it possible to rescue them from oblivion and open them to visits. Jesús, with its unfinished church and its trefoil arches, revealed itself as one of the most singular testimonies of the mission heritage.
The recognition culminated in 1993, when UNESCO inscribed on its World Heritage List the 'Jesuit Missions of the Guaranís: La Santísima Trinidad de Paraná and Jesús de Tavarangué', valuing their exceptional testimony of a cultural and social experience unique in American history. Since then, Jesús and Trinidad form, together, the heart of the Jesuit circuit of Paraguay and an unmissable destination for those touring the south of the country, safeguarded and valued as one of the great treasures of the national heritage.