Qualla: Siege of Tre Kronor

Siege of Tre Kronor: Introduction

Tue, 03 Feb 2026 00:00:00 GMT

Photo credit Koyos, Public domain. Queen Christina of Saxony watched from the walls of Tre Kronor castle as Stockholm burned. It was October 1501, and Swedish rebels had encircled the city. A quarter of Stockholm had already gone up in flames during the initial assault. The city itself surrendered on October 17, but Christina refused to yield the royal fortress. She had a thousand men - German mercenaries, Danish soldiers, and Swedish loyalists under the command of Johan von Grapendorf. She had strong walls and good provisions. And she had a husband, King John of Denmark, who had promised to send relief. For nearly seven months she would hold out, through winter storms and spring floods, bombardments and starvation, waiting for ships that would arrive three days too late.

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Image: Koyos | Public domain

Siege of Tre Kronor: Cracks in the Kalmar Union

Tue, 03 Feb 2026 00:00:00 GMT

Photo credit Niklas Stör, Public domain. The siege that engulfed Tre Kronor castle was the violent expression of decades of tension within the Kalmar Union. This political arrangement, theoretically uniting Denmark, Norway, and Sweden under one monarch, had never sat well with the Swedish nobility. In the 1490s, power i...

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Image: Niklas Stör | Public domain

Siege of Tre Kronor: The Castle Under Siege

Tue, 03 Feb 2026 00:00:00 GMT

Photo credit Koyos, Public domain. Christina's garrison of 1,000 men faced daunting odds. The Swedish rebels, led by the clergyman and bishop Hemming Gadh, mustered 4,000 peasants, with another 1,400 Dalecarlian shooters on the way. Still, Tre Kronor's walls were strong, and mercenaries knew their trade. On Novemb...

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Image: Koyos | Public domain

Siege of Tre Kronor: Ice and Broken Promises

Tue, 03 Feb 2026 00:00:00 GMT

Photo credit Koyos, Public domain. King John desperately tried to rescue his queen. On February 2, 1502, he wrote urgently to his commander Henrich Krummedige about organizing a relief fleet. But the waters around Stockholm were frozen solid - no ships could reach the besieged castle. Not until March 13 could the ...

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Image: Koyos | Public domain

Siege of Tre Kronor: The Final Assault

Tue, 03 Feb 2026 00:00:00 GMT

Photo credit Koyos, Public domain. On April 29, 1502, the Swedish forces launched their decisive attack. They stormed the castle and broke through into the bailey - the outer courtyard. Approximately 100 men died in the fighting. With the outer defenses breached and the inner garrison starving, Christina had no ch...

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Image: Koyos | Public domain

Siege of Tre Kronor: Bitter Ends and New Beginnings

Tue, 03 Feb 2026 00:00:00 GMT

Photo credit Koyos, Public domain. On May 9, 1502, Queen Christina and her followers emerged from Tre Kronor castle. Of the 1,000 men who had begun the siege, only 70 remained alive - the rest had perished from bombardment, combat, and starvation over seven brutal months. Three days after the surrender, a Danish f...

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Image: Koyos | Public domain