The Black Death

The Black Death in Scandinavia

The Scandinavian kingdoms — Norway, Sweden, and Denmark — were among the last regions of Europe to be struck by the Black Death, and the pandemic’s impact on these relatively sparsely populated northern lands was in some respects more devastating than anywhere else on the continent. The plague arrived in Norway in 1349 and spread to Sweden and Denmark over the following two years, killing perhaps a third to two-thirds of the Scandinavian population and reshaping the political and economic landscape of the entire Nordic world.

Norway: The Ship from England

The traditional account of the plague’s arrival in Norway centres on a single ship. According to the Icelandic annals and the later account of the Swedish chronicler Olaus Magnus, a vessel carrying a cargo of woollen cloth sailed from London to Bergen in the late summer or early autumn of 1349. The ship’s crew were infected with plague, and by the time the vessel reached Bergen — the largest city in Norway and a major centre of the Hanseatic maritime trade — most or all of them were dead or dying.

Bergen, a city of perhaps 7,000 inhabitants, was a key node in the commercial network of the Hanseatic League, the association of northern European trading cities that dominated commerce in the Baltic and North Sea. The city’s Kontor — the Hanseatic trading post — was one of four major Hanseatic offices in Europe, alongside those in London, Bruges, and Novgorod. The maritime connections that made Bergen prosperous also made it vulnerable to plague.

The disease spread rapidly through the city and along the Norwegian coast. The fjords and waterways that served as the principal transport routes in Norway’s mountainous terrain carried infected travellers and goods to the scattered settlements of the western and northern coast. The rural communities of the interior, connected to the coast by valleys and mountain passes, were struck in turn.

The mortality in Norway was devastating. Modern estimates, based on the analysis of tax records, farm abandonment rates, and ecclesiastical documents, suggest that Norway lost between one-third and two-thirds of its population. The Norwegian historian Ole Benedictow has argued for a mortality rate of sixty percent — one of the highest in Europe. The evidence for this estimate comes primarily from the record of farm abandonment: by the 1370s, approximately forty percent of Norwegian farms that had been occupied before the plague were deserted, and many more were only partially cultivated.

The Impact on Norwegian Society

The social impact of the plague on Norway was catastrophic. The kingdom’s already sparse population was further reduced, and the infrastructure of rural life — farms, mills, churches — was severely disrupted. The Norwegian Church lost a majority of its clergy: the archbishop of Nidaros (Trondheim), Arne Einarsson Vade, died of plague in October 1349, along with many of his canons and parish priests. The rapid replacement of experienced clergy with poorly trained novices eroded the quality of pastoral care and contributed to the decline of the Norwegian Church in the post-plague period.

The economic consequences were equally severe. Norway’s economy was based primarily on agriculture, fishing, and the export of dried cod (stockfish) and timber. The loss of a large proportion of the agricultural workforce led to widespread farm abandonment and a sharp decline in food production. The export trade was disrupted as shipping routes were abandoned and foreign merchants withdrew from the plague-stricken ports.

The Norwegian monarchy, already weakened by the extinction of the male line of the royal house in 1319, was further diminished by the plague. King Magnus Eriksson, who ruled both Norway and Sweden, lost many of his administrators and councillors. The kingdom’s fiscal base contracted as tax revenues fell, and the crown’s ability to maintain law, order, and defence was impaired.

Sweden: The Plague from the West and the East

Sweden was struck by plague from two directions. The disease entered from the west, through the Norwegian-Swedish border regions, and from the south, through the maritime trade routes connecting the Swedish ports of the Baltic coast to the Hanseatic cities of northern Germany.

The Swedish chronicler Erik Krönika (the Erik Chronicle) and later sources describe the plague’s arrival in 1350. King Magnus Eriksson, who was in Sweden at the time, issued a proclamation warning his subjects of the approaching epidemic and calling for prayer and penance. The king’s proclamation, one of the earliest official responses to the plague in northern Europe, reflects the terror that the disease inspired and the limited means available to combat it.

The mortality in Sweden was significant, though perhaps somewhat lower than in Norway. The Swedish historian Johan Söderberg has estimated that Sweden lost approximately a third of its population. The evidence comes from tax records, farm abandonment rates, and the analysis of surviving wills and property transfers. The impact varied by region: the more densely populated agricultural districts of the south and east suffered more heavily than the sparsely settled forests and mountains of the north.

The Swedish Church, like its Norwegian counterpart, lost large numbers of parish clergy and canons, and many parishes were left without priests — though, unlike in Norway, the Swedish bishops appear to have survived the epidemic. The impact on monasteries was severe: several Swedish religious houses lost the majority of their communities and struggled to recover in the post-plague decades.

Denmark: The Crossroads of the North

Denmark, which controlled the straits between the Baltic and the North Sea, was a critical node in the maritime trade networks of northern Europe. The plague reached Denmark in 1350, likely carried by ships arriving from northern Germany or from the Norwegian ports. The Danish cities of Ribe, Roskilde, and Lund (then part of Denmark) were struck in the autumn of 1350.

The mortality in Denmark was severe. Contemporary sources are sparse, but the evidence of farm abandonment and the decline in ecclesiastical revenues suggest that Denmark lost approximately a third of its population. The impact on the Danish Church was significant: the bishop of Roskilde, Jacob Poulsen, died in May 1350 as the plague reached Denmark, and many parishes were left without clergy.

The Danish monarchy, which had been weakened by decades of internal conflict and debt, was further diminished by the plague. King Valdemar IV Atterdag, who came to the throne in 1340 and spent his reign attempting to restore Danish power, found his efforts hampered by the demographic and economic devastation caused by the epidemic. Nevertheless, Valdemar’s aggressive policies in the decades following the plague — including the conquest of Gotland in 1361 — suggest that the Danish state retained sufficient capacity to pursue its ambitions, even in the aftermath of the catastrophe.

Iceland and the Far North

Iceland, isolated by the surrounding North Atlantic, escaped the Black Death entirely. The island’s sparse population and its limited contact with the outside world — maintained primarily through occasional ships from Norway — protected it from the pandemic. However, Iceland would be struck by plague in the early fifteenth century, when two devastating epidemics — the “Black Death” of 1402–1404 and a second outbreak in 1495 — killed a large proportion of the island’s population.

The Icelandic annals, which record the events of each year with remarkable consistency, provide some of the most detailed accounts of the plague in the Nordic world. The annals for 1349 and 1350 record the plague’s arrival in Norway and its spread through the Norwegian kingdom, of which Iceland was then a part. The annals for 1402–1404 describe the devastating impact of the later epidemic on Iceland itself.

Greenland, the most remote of the Norse settlements, may have been affected by the plague, though the evidence is uncertain. The Norse colony in Greenland, which had been established in the tenth century, was already in decline by the mid-fourteenth century due to climatic deterioration, soil erosion, and conflict with the Inuit. The disruption of maritime trade with Norway caused by the plague may have accelerated the colony’s decline, though the precise role of disease in the abandonment of the Greenland settlements remains debated.

The Hanseatic League and Northern Trade

The Hanseatic League, the association of northern European trading cities that dominated commerce in the Baltic and North Sea, was significantly affected by the plague. The League’s major cities — Lübeck, Hamburg, Bremen, Stralsund, Rostock — were all struck in 1350, and the mortality was severe. Lübeck, the League’s unofficial capital, may have lost a third of its population.

The trade disruptions caused by the plague weakened the Hanseatic commercial network in the short term, as shipping routes were abandoned and markets contracted. However, the League recovered relatively quickly, and its dominant position in northern European trade was not seriously challenged until the fifteenth century. The concentration of wealth among fewer survivors may have stimulated demand for the luxury goods that the Hanseatic merchants specialised in, partially offsetting the loss of volume.

Political Consequences: The Road to Kalmar

The Black Death’s impact on Scandinavian politics was profound. The demographic and economic devastation weakened all three kingdoms and created conditions that favoured political consolidation. In 1397, the three Scandinavian kingdoms were united under the Kalmar Union, with Margaret I of Denmark as regent. While the Union was the product of complex political manoeuvring, the weakening of the individual kingdoms by the plague and its recurring waves created an environment in which union seemed more attractive than continued fragmentation.