Danish Baltic Conquest & Protestant Reformation

The Danish crown and its realm.

1 chapter

1050 - 1361

Between Christianization and conquest, Gotland existed as a self-governing Gutnic commonwealth under its own law code, the Gutalagen—written down c. 1220 but containing provisions likely pre-Christian, including bans on blót and worship at vé and stafgarðar. The law contained no reference to the Swedish king or state, and remained practically in use until 1645 despite changing sovereignty. The Gutnaltinget at Roma remained the highest court. St Olaf landed at Akergarn (now S:t Olofsholm) c. 1029, converting Ormika of Hejnum—the island's Christianization, presented in the Gutasaga as voluntary. Parish communities built 92 stone churches—more per capita than anywhere else in Scandinavia—each constructed by its own parish, not by a central authority, in a conservative 'counter-Gothic' (kontragotik) style that resisted outside architectural trends. But this era also saw the explosive conflict between Visby's German merchant oligarchy and the rural Gotlandic community. In 1288, the city built its ring wall to exclude country farmers from trade, sparking a civil war (stad mot landsbygd) requiring Swedish royal intervention. Stand at the Visby Ring Wall and see the physical barrier between two communities; sit inside any of the 92 parish churches and feel the continuity of rural Gutnic identity.

1645 - 1875

The Treaty of Brömsebro (1645) transferred Gotland from Danish to Swedish rule, formally ending nearly three centuries of foreign governance. The Gutalagen was replaced by Swedish law, and the Gutnaltinget's successor institution, the Landstinget, became a provincial administrative body under the Swedish crown. At Roma, the former Cistercian estate became a crown farm (kungsgård), with a manor house built in 1733 from the abbey's own stone. Agricultural estate society reshaped the countryside, but older rhythms persisted: the Gotlandsruss pony herd at Lojsta hed—Sweden's only wild horse population—continued to roam as it had since pre-modern times, managed by the Hushållningssällskapet. A brief Russian occupation in 1808 interrupted Swedish rule but left no lasting institutional change. Step into the 1733 manor house at Roma Kungsgård to see how the Swedish crown repurposed the monastic estate; watch the Gotlandsruss ponies at Lojsta hed for a living link to pre-modern agricultural Gotland.

500 - 1050

Viking-Age Baltic trade networks made Gotland one of the richest places in medieval Europe per capita. Farmers and traders sailed east to Novgorod and south to Hanseatic cities, bringing back Arab dirhams, Byzantine silk, and Frankish weapons. The Spillings Hoard—14,295 coins and 40 kg of silver buried near Slite c. 870 CE—is the world's largest Viking silver treasure. The island's farmers governed themselves through the Gutnaltinget, an all-island assembly at Roma, and according to the Gutasaga they entered a voluntary pact with the Swedish king (sielfs viliandi, 'of their own free will'), paying tribute in exchange for trade access and protection—a relationship of mutual agreement, not conquest. Picture stones from this era depict ships, warriors, and religious scenes bridging the pre-Christian and Christian worlds. The Gotlandsruss pony, still roaming wild at Lojsta hed, descends from the Viking-era horses essential to island transport and agriculture. At Stavgard in Burs, stand where Iron Age and Viking-era farmers lived in one of the Nordic region's largest longhouses.

1875 - 1984

The European national-romantic heritage movement reached Gotland in 1875 when Pehr Arvid Säve and the Friends of Gotland's Antiquity (Gotlands Fornminnesförening) founded Gotlands Fornsal—now Gotland Museum—to preserve the island's archaeological and cultural heritage, including the picture stones and silver hoards that had made Gotland internationally significant. The museum became the institutional custodian of the Visby church ruins and the island's medieval artifacts. In 1936, Gotlands Hembygdsförbund was founded as an umbrella for approximately 90 local heritage societies (hembygdsföreningar), which became custodians of village-level traditions—midsummer celebrations, folk costumes (gotlandsdräkt), and parish heritage. The tar-burning tradition (sojdesbränning), still surrounded by rituals 'to scare off evil powers and promote a successful burn,' was documented as a living heritage practice with explicit pre-Christian ritual survival. In 1945, Gutamålsgillet was founded by Herbert Gustavson to preserve the Gutnish language. Browse the Gotland Museum's collections from prehistory through the Middle Ages; find a local hembygdsförening hosting a village midsummer or tar-burning event.