Sture murders
24 May 1567 were the murders of five incarcerated Swedish nobles by Erik XIV of Sweden, who at that time was in a state of serious mental disorder, and his guards.

The Sture murders (Swedish: Sturemorden) in Uppsala, Sweden, of 24 May 1567, were the murders of five incarcerated Swedish nobles by Erik XIV of Sweden, who at that time was in a state of serious mental disorder, and his guards.
The nobles, among them three members of the influential Sture family, had been charged with conspiracy against the king and some were previously sentenced to death. Erik's old tutor, who did not belong to this group, was also killed when he tried to calm the king after the initial murders.
Background
Conflict between Erik XIV and the aristocracy
In the 1560s, Erik was involved in the Livonian War and the Northern Seven Years' War. Since he led many campaigns in person, his secretary Jöran Persson was left in charge of the administration. The Privy Council of Sweden, the board of nobles responsible for advising the king, was effectively replaced by Persson; also, nobles had been ousted from Erik's high court (Konungens Nämnd) and replaced by loyal commoners, and Persson was made the king's chief prosecutor. The king and his secretary used the high court not only to enforce their financial, war-related demands on the nobles, but also to torture nobles to reveal information about opposition groups. For the use of torture to be legal, the tortured person had to be sentenced to death first – therefore, the high court sentenced more than 300 people to death between 1562 and 1567, yet in most cases reduced the penalty later.
Although Erik distrusted the nobility as a whole, he became particularly suspicious of Nils Svantesson Sture, who was arrested and tried. Despite his many illegitimate children, Erik lacked a legal heir and feared that Sture might claim his throne.
Begin with the source’s own compact description: “Sture murders” is 24 May 1567 were the murders of five incarcerated Swedish nobles by Erik XIV of Sweden, who at that time was in a state of serious mental disorder, and his guards. The dossier treats that line as a proposition to test through Sture, murders and five, not as a finished interpretation.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 19, 2026. The linked authority identifier is Q4574780. Authority coordinates are 59.853, 17.635. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1567 and 1562.
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