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18 November in military history: Siege of Jasna Góra, 1655

Military history · 18 November · Second Northern War (the Deluge)Full calendar

Copperplate engraving of the siege of Jasna Góra: the walled monastery with its tall tower on a hill, smoke rising over the town below, and in the foreground mounted officers and columns of pikemen and musketeers drawn up before it.
The siege of Jasna Góra in 1655, a small copperplate engraving by an unknown artist, made between 1750 and 1850. Public domain. National Library of Poland (Polona), via Wikimedia Commons.
Quick answer

On 18 November 1655, during the Swedish invasion known in Poland as the Deluge, the Pauline monastery of Jasna Góra in Częstochowa refused to let a Swedish force in. Prior Augustyn Kordecki's small garrison held out for forty days until the Swedes withdrew on the night of 26 to 27 December, and the defense became a symbol of Polish resistance.

The Siege of Jasna Góra, 1655: the monastery that would not fall

18 November to 27 December 1655 · 370 years ago

In the summer of 1655 King Charles X Gustav of Sweden invaded the Commonwealth, already exhausted by war in the east. Much of the nobility and army capitulated, King John II Casimir took refuge in Silesia, and by October the Swedes held both Warsaw and Kraków.

Read the full story of The Siege of Jasna Góra, 1655: the monastery that would not fall ›

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Frequently asked questions

When was the siege of Jasna Góra?

It began on 18 November 1655 and ended when the Swedes withdrew on the night of 26 to 27 December 1655, after about forty days.

Who defended Jasna Góra?

Prior Augustyn Kordecki, his Pauline monks and a small garrison: 160 soldiers according to the Museum of Polish History, 250 defenders with about 30 guns according to the Ministry of Education's platform.

Was the Black Madonna in the monastery during the siege?

No. The icon was taken out of the monastery for safety before the siege began.

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