Charles IX of Sweden

King of Sweden in 1604–1611

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Lived 1550–1611, aged 61Sweden

Sweden Historical Figures

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61 languages
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Era
1550–1611
Aged 61

Summary

Updated 2026-06-21

He took a throne by forcing out his Catholic nephew, turned a family fight into a religious war, and set Sweden on a Protestant path that would help crack Europe open a decade after his death.

Biography

About

Charles was the youngest son of Gustav I, given the Duchy of Södermanland by his father's will but kept waiting until his half-brother Eric fell and brother John took the throne in 1569. When John died in 1592, the crown passed to Charles' nephew Sigismund — a Catholic ruling Protestant Sweden from his seat in Poland. Charles, alarmed, ruled in Sigismund's name while Sweden's estates grew restless. In 1595 the Riksdag forced Sigismund's abdication and Charles claimed the throne, launching nearly seventy years of dynastic war between the two branches of the House of Vasa. He reigned from 1604 u…

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