History of Sweden (800–1521)
800–1521 historical period of Sweden
Swedish pre-history ends around 800 AD, when the Viking Age begins and written sources are available. During the following centuries, Sweden gradually consolidated as a single nation. The Viking Age lasted until the mid-11th century. Scandinavia was formally Christianized by 1100 AD. The period 1050 to 1350—when the Black Death struck Europe—is considered the Older Middle Ages. The period from 1350 to 1523 is considered the Younger Middle Ages. The Kalmar Union between the Scandinavian countries was established in 1397 and lasted until King Gustav Vasa ended it upon seizing power during the Swedish War of Liberation, which concluded in 1523.
Viking Age
Until the 9th century, the Scandinavian people lived in small Germanic kingdoms and chiefdoms known as petty kingdoms. These Scandinavian kingdoms and their royal rulers are mainly known from legends and scattered continental sources as well as from runestones. The Scandinavian people appeared as a group separate from other Germanic nations, and at this time there was a noticeable increase in war expeditions (Viking raids) on foreign countries, which has given the name Viking Age to this period. At this time the seas were easier to travel than Europe's inland forests, and the wild buffer regions that separated the kingdoms of the time that were known as marches.
This brief starts where responsible research should: with the source description of “History of Sweden (800–1521)” as 800–1521 historical period of Sweden. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the history & society register because the source frames it as 800–1521 historical period of Sweden. Its deeper value depends on whether names, dates, institutions and citations support that framing.
The record creator and administrative purpose are central evidence, because official documentation reflects both action and institutional priorities. The source revision retrieved here is dated Sep 3, 2026. The linked authority identifier is Q2460755. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1100, 1050, 1350 and 1523.
Later summaries often reconcile disputed chronology or motive more neatly than the contemporary record permits. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Three-step research path
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Questions for further research
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This entry incorporates text from “History of Sweden (800–1521)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.