Summary

Robert Nisbet Bain 1911 Encyclopædia Britannica, Volume 5… (1911)

The heir to the throne was John’s eldest son, Sigismund, already king of Poland and a devoted Catholic. The fear lest Sigismund might re-catholicize the land alarmed the Protestant majority in Sweden, and Charles came forward as their champion, and also as the defender of the Vasa dynasty against foreign interference. It was due entirely to him that Sigismund was forced to confirm the resolutions of the council of Upsala, thereby recognizing the fact that Sweden was essentially a Protestant state (see Sweden: History) . In the ensuing years Charles’s task was extraordinarily difficult.
Source: Wikisource

Robert Nisbet Bain 1911 Encyclopædia Britannica, Volume 5… (1911)

He had steadily to oppose Sigismund’s reactionary tendencies; he had also to curb the nobility, which he did with cruel rigour. Necessity compelled him to work rather with the people than the gentry; hence it was that the Riksdag assumed under his government a power and an importance which it had never possessed before. In 1595 the Riksdag of Söderköping elected Charles regent, and his attempt to force Klas Flemming, governor of Finland, to submit to his authority, rather than to that of the king, provoked a civil war.
Source: Wikisource

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