Religion in the Baltic
In 1253 the Lithuanian ruler Mindaugas accepted baptism as a Catholic Christian and received a crown from the Pope, becoming (officially) Lithuania’s first ever king. In exchange for his conversion and sovereignty over Lithuania’s westernmost region of Samogitia, the Teutonic Knights who had been waging crusade against the Lithuanians for nearly thirty years agreed to recognise Mindaugas as a Christian king. This series of events resembled similar royal conversions throughout northern Europe over the preceding millennium, from Clovis of the Franks to Ethelbert of Kent and Olaf Tryggvason in Norway. The conversion of the realm could be expected to follow a king’s decision to adopt Christianity, with all the prestige and apparatus of sophisticated medieval statehood (including literacy) that accompanied the new faith. But the conversion of Lithuania proved a failure. The Samogitians rebelled, Mindaugas was murdered (and perhaps even renounced Christianity beforehand), and his successors saw no need to perpetuate his Christian allegiance. The cathedral Mindaugas had built in Vilnius was transformed by his successors into a temple in honour of the Baltic thunder god Perkūnas, and Lithuania opted out of the Christian world.
As the example of Mindaugas demonstrates, when it comes to religion the Baltic region has a history very different from most of the rest of northern Europe. Baltic religious history is not a narrative of missionary journeys, initial setbacks, and ultimate elite acceptance and ‘trickledown’ of the new religion to the rest of the population. Early missionary efforts in the Baltic failed entirely, and when Christians arrived in Livonia (modern Latvia and Estonia) and Prussia (the modern Kaliningrad region of Russia) they came not as missionaries but as crusaders. The Balts – a people whose only surviving representatives are the Lithuanians and Latvians – were deemed unconvertible, or at least best persuaded via warfare rather than preaching. The Baltic peoples thus represented a hard frontier of medieval Christian Europe – for although the Prussians and Latvians came to be ruled by Christians (unlike the Lithuanians, who successfully resisted conquest), their conversion was largely a failure, and they clung to their native religious traditions. As for the Lithuanians, they not only rejected Christianity but also developed their own religion into a state cult that mimicked the great monotheisms, ostentatiously practising cremation and animal sacrifice to Perkūnas while developing into a sophisticated (and geographically vast) late medieval state that dominated the Orthodox Christian principalities of today’s Belarus and Ukraine.
Although Christianity did eventually come to the Lithuanians in the late fourteenth century, as late as the 1760s Catholic missionaries were still labouring in rural Lithuania to introduce Christianity, while Lutheran missionaries in remote areas of eighteenth-century Latvia found much the same level of resistance to a faith that was no longer new, but still very much unwanted. The language barrier was one key reason for this situation; the Baltic languages (Lithuanian, Latvian, and their numerous extinct relatives such as Old Prussian and Yotvingian) form their own sub-family of the Indo-European group and none existed in a written form, meaning it was very challenging for speakers of Slavic or Germanic languages to learn them and preach in them. But it seems that the Balts also did not find Christianity compelling or appealing. For the Latvians, it was the religion of the German-speaking elite of Riga who owned large estates and dominated the peasantry; for the Lithuanians, it was the religion of the ‘polonised’ nobility who adopted the Polish language and Polish cultural norms after the Union of Krewo in 1385 – a process that only intensified after the Union of Lublin formally united Poland and Lithuania in 1569.
Another factor, in Lithuania at least, was the country’s laissez-faire religious policy. While the kings of Sweden and Denmark-Norway and the Russian tsars were dedicated to Lutheranising or Russifying the animist subjects at the edges of their realms, the Polish-Lithuanian Commonwealth had no such unifying religious agenda, even if its kings and grand dukes were Catholics. Orthodox Christians, Greek Catholics, Jews, Karaites, and Muslim Tatars all co-existed within the early modern Grand Duchy of Lithuania – and so did pagans, whose continued existence was of no interest to the state, even if it concerned missionary orders like the Jesuits. Indeed, Lithuania’s pagans sometimes even attracted a degree of sympathy, or at least disinterested curiosity; the Jesuits were simultaneously horrified and fascinated by paganism, and their missionary records have preserved much of what we know of this lost religion.
It is difficult to reconstruct a religion for which we have only a few pieces of the puzzle. For a long time, scholars in and beyond the Baltic states believed that folklore and folk songs collected in the nineteenth century (after paganism had disappeared) could be drawn upon to reconstruct an ancient Baltic religion and worldview. But this approach relies on too many controversial premises to be acceptable to the historian; if we stick just to the sources written down while Baltic religion was still in existence, we find a belief-system that was perhaps as animistic as it was polytheistic, where a few key deities stand out (notably the thunder god Perkūnas and the earth goddess Žemyna), but worship was primarily focussed on certain features of nature: sacred trees, sacred groves and forests, sacred rocks (the large glacial erratics characteristic of the Baltic region), sacred rivers, sacred lakes and sacred hills where perpetual fires burnt in honour of the gods. Furthermore, the home was a key centre of worship, where domestic spirits were honoured in a corner of the house, the ancestors were fed in ritual feasts, and tame snakes (who seem to have embodied gods or spirits) were encouraged to share in food. We must be cautious, however, because most of our sources describe Baltic religion in a very late stage of development when its adherents were already making efforts to conceal it from Christian eyes.
In the end, we are left with a fragmentary yet tantalising picture of a religion – or, more accurately, a collection of religions – that was one of the last thriving pre-Christian belief-systems of Europe. Its survival challenges what we might think about the religious history of the continent and the inevitability of Christian dominance – for things were different in the Baltic.
Francis Young, Pre-Christian Baltic Religion and Belief (York: ARC, 2025).
