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Siege of Gvozdansko

From Wikipedia, the free encyclopedia

Siege of Gvozdansko
Part of the Croatian–Ottoman Wars
and Ottoman–Habsburg wars
Gvozdansko castle ruin, Croatia.jpg

Ruins of Gvozdansko Castle
Date3 October 1577 – 13 January 1578
Result Ottoman victory
The Ottomans captured Gvozdansko and its surroundings
Kingdom of Croatia
Kingdom of Croatia
Fictitious Ottoman flag 2.png
Ottoman Empire
Commanders and leaders
Damjan Doktorović 
Juraj Gvozdanović 
Nikola Ožegović 
Andrija Stipšić 
Ferhad Pasha Sokolović
300 soldiers and miners 5,000-10,000 soldiers
Casualties and losses
All defenders died moderate

The Siege of Gvozdansko (Croatian: Opsada Gvozdanskog) was a siege of Gvozdansko Castle in the Kingdom of Croatia within Habsburg Monarchy. The battle around Gvozdansko and the siege of the castle lasted from 3 October 1577 to 13 January 1578, between the defending Croatian forces and the invading Ottoman army under the command of Ferhat-paša Sokolović. The battle resulted in an Ottoman victory with heavy losses on the Ottoman side, while all defenders died during the siege.


After the fall of Bulgaria, Serbia and Bosnia, the Ottoman Empire directed its forces towards Hungary and Croatia. Initial encounters were mostly raids into southern parts of the kingdoms. In 1493, the Croatian army suffered a heavy defeat in the Battle of Krbava Field.[1] A new wave of Ottoman conquest began in 1521, after which a good portion of Croatia was conquered or pillaged.[2]

On 29 August 1526, at the Battle of Mohács, the Christian forces led by King Louis II were defeated by Ottoman forces led by Sultan Suleiman the Magnificent.[3] Louis was killed in the battle which resulted in the end of the independent Kingdom of Hungary, as he died without an heir. Both the Kingdom of Hungary and Kingdom of Croatia became disputed territories with claims from both the Habsburg and Ottoman empires. Ferdinand I of Habsburg, Archduke of Austria, brother of Holy Roman Emperor Charles V and future Emperor himself, married the sister of Louis II[4] and was elected King by the nobles of both Hungary and Croatia.[5][Note 1]

Gvozdansko Castle

The Gvozdansko Castle was a square fort in possession of the Zrinski family, located on the main road between the towns of Dvor and Glina. It had four towers on its corners and a larger tower at the entrance. It was first mentioned in 1488 and was built to protect the nearby mines of iron, copper, lead and silver. The House of Zrinski minted their own coins in Gvozdansko.[7]

The Ottomans attempted to conquer the Gvozdansko Castle on several occasions.[8] The first major attempt was in 1566.[8] The second failed attempt was in 1561, when 8,000 Ottomans under the command of Malkoč-beg attacked the castle.[8] The third attempt was in 1574, when Ferhat-paša Sokolović tried to capture the castle by treachery.[8] Another attempt in 1576 by Kapidži-paša also failed.[8][9]


In early 1573, a large peasant revolt started in northwest Croatia. The rebellion was quickly suppressed, but with heavy casualties.[10] The revolt further worsened the financial and military situation in the country.[11] The Ottoman Empire concluded a peace treaty with the Republic of Venice in March 1573, which enabled local sanjakbeys to direct their forces towards Croatia. Throughout 1573 and 1574, several forts on the border were destroyed and Croatian forces were barely able to cope with the attacks. On 15 May 1574, the Croatian Parliament decided to build two new forts and strengthen seven, including Slunj, and introduce new levies to help raise funds. However, these measures did not have a significant effect on the overall state of the defense.[10]

On 19 December 1574, during a session of the Croatian Parliament, Gašpar Alapić was officially named co-Ban of Croatia, alongside Ban Juraj Drašković. Sultan Selim II died in the same month and was succeeded by his son Murad III.[12] Ferhad Pasha Sokolović led several offensives on border forts during 1575, including an unsuccessful attack on Bihać. In September, he defeated an army led by Habsburg General Herbard VIII von Auersperg, who was killed in battle, and then returned to the Sanjak of Bosnia. His actions during the year severely weakened the Croatian defense and enabled a breakthrough towards the Korana, Mrežnica and Kupa rivers.[12]

Although Sultan Murad III confirmed his father's peace treaty with Emperor Maximilian II on 22 November 1575, Ottoman raids into the lands ruled by Maximilian II did not stop. There were 50-60 Ottoman incursions recorded in the following year.[13] In 1576, simultaneous attacks followed west of Una and between the Sava and Drava rivers.[12] In April 1576, around 7,000 Ottoman troops attacked the town of Hrastovica, north of Gvozdansko, but the town's garrison repelled the attack. In June, the Ottomans captured the town of Bužim, southwest of Gvozdansko, and soon started attacking the Gvozdansko Castle, whose garrison numbered 130 men. The Ottomans retreated after three days of fighting, when reinforcements led by Johann Auersperg, commander of the Croatian Military Frontier, and deputy bans Vladislav Bukovački and Juraj Mindsenti arrived. The castle walls on the east side were partially breached by Ottoman artillery.[13][14]

The town of Cazin was captured on 18 July. By the end of the year, most of the area between the Una and the Glina river was under Ottoman control. The remaining Croatian strongholds in the area were isolated and their surroundings were desolated. The difficult situation in the country was also affected by the unclear position of the banship as both Alapić and Drašković asked the Emperor to relieve them of their duties. The banship was then offered to Krsto Ungnad, but his terms were rejected by the Emperor. On 12 October, Maximilian II died and his son, Rudolf II, succeeded him. Rudolf II sent letters to both Drašković and Alapić, asking them to continue performing their duties. On 25 December, Habsburg and Ottoman representatives signed an 8 year peace treaty.[15][16]

The Croatian line of defense in 1577 stretched from the Drava River to the town of Senj.[15] 4,729 men were stationed in border forts and towns. The Habsburg authorities planned to strengthen the Military Frontier and increase the number of soldiers.[17] Rudolf II gave the task of strengthening the frontier to his uncle, Charles II.[14]

Another wave of Ottoman raids began in July around Bihać and in the Kordun region. In September, Ferhad Pasha Sokolović personally led an army that captured the remaining forts up to the Glina River, north of Cazin.[18]


In early October, a large Ottoman army was led by Ferhad Pasha and Kapidži-pasha into central Croatia.[19] On 3 October, these forces besieged Gvozdansko.[18] The fort was defended by around 300 men, mostly miners and soldiers, under the command of four experienced captains: Damjan Doktorović, Jure Gvozdanović, Nikola Ožegović and Andrija Stepšić.[9] One soldier managed to pass through Ottoman lines and reach the Croatian-held town of Steničnjak. However, the lack of soldiers prevented a counterattack. It was also expected that Gvozdansko would be able to withstand the siege until winter, when the Ottoman withdrawal was predicted. Ferhad Pasha deployed the artilley on surrounding hills and ordered a prolonged bombardment of the fort.[20] The siege prevented the supply of food and ammunition to the fort. There was also a lack of water.[15] The last supplies to the fort were brought in August. A part of the Ottoman army was left to keep Gvozdansko under siege, while Ferhad Pasha led the rest and attacked the remaining neighboring forts, including Ostrožac that was captured on 13 November. After a short siege, the Zrin Castle, formerly the seat of the Zrinski family, was captured on 20 December. The fall of Zrin left Gvozdansko completely surrounded with Ottoman held forts and towns.[21]

The main part of the Ottoman army joined the besieging force near Gvozdansko at the end of December. Around 5,000 troops with 30 cannons encamped around Gvozdansko, and about the same number of troops was positioned in its vicinity.[9] The fort was already under siege for more than 2 months. The defending force lacked food and ammunition and suffered from hunger, thirst, and cold, while many died or were wounded in combat.[22] All calls for surrender were rejected. Three major assaults on Gvozdansko were repelled on 10, 11 and 12 January, leaving only around 30 men still alive that held their positions on the last days of the siege.[21]

The final assault was planned for the night of 12–13 January, but around midnight the lights in the fort went out. The commanders thought it was a trap and the attack was postponed for the morning. When the Ottomans breached the castle gates at dawn, they met no resistance and encountered only corpses. They found all of the defending forces already dead and there was no food or water left in the fort. Ferhad Pasha Sokolović ordered a Christian burial for the dead.[23][22]


The loss of Gvozdansko and other strongholds, including Ostrožac, Cazin, Bužim and Zrin, led to many changes in the organization of the defence. On 6 February 1578, Krsto Ungnad was confirmed as the new Ban of Croatia by the Croatian Parliament. The administration of the Croatian Military Frontier was entrusted to Archduke Charles II on 25 February.[24] Rudolf's brother, Ernest, was placed in command of the Military Frontier between the Drava River and Transylvania.[25] Charles II was given the right to summit a War Council in Graz and appoint generals, captains and other officers in the frontier. The Croatian ban was subordinated to the archduke in military affairs.[24] Inner Austrian duchies provided financial support for the Military Frontier and were given seats in the Graz War Council, which was independent of the Vienna War Council (German: Hofkriegsrat). The former civil administration of the frontier was replaced with Habsburg military officials. Such an organization further separated the frontier from Croatian authorities.[26]

Following the capture of Gvozdansko, all nearby mines were destroyed.[23] The Ottomans placed a permanent garrison in the fort in December 1578. Its walls were rebuilt in 1579 and the fort was equipped with additional cannons. Gvozdansko remained under Ottoman control until 1685.[27]


  1. ^ In 1527, the Croatian nobles met at Cetin to elect Ferdinand as their king, and confirmed the succession to him and his heirs. In return for the throne, Archduke Ferdinand promised to respect the historic rights, freedoms, laws, and customs the Croats had when united with the Hungarian kingdom and to defend Croatia from Ottoman attacks.[6]


  1. ^ Tanner 2001, p. 30.
  2. ^ Ágoston and Alan Masters (2009), pp. 163-164
  3. ^ Turnbull (2003), p. 49
  4. ^ Turnbull (2003), pp. 49–51.
  5. ^ Corvisier and Childs (1994), p. 289
  6. ^ R. W. Seton -Watson:The southern Slav question and the Habsburg Monarchy page 18
  7. ^ Nodilo 2003, pp. 304-305.
  8. ^ a b c d e Deželić (1868), pp. 713-714
  9. ^ a b c Nodilo 2003, p. 306.
  10. ^ a b Mažuran 1998, p. 126.
  11. ^ Guldescu 1970, p. 86.
  12. ^ a b c Mažuran 1998, p. 127.
  13. ^ a b Klaić 1973, p. 396.
  14. ^ a b Horvat 1924, chapter 73.
  15. ^ a b c Mažuran 1998, p. 128.
  16. ^ Klaić 1973, p. 399.
  17. ^ Klaić 1973, pp. 409-410.
  18. ^ a b Klaić 1973, p. 412.
  19. ^ Lopašić 1890, p. 21.
  20. ^ Kekez 2011, pp. 71-72.
  21. ^ a b Klaić 1973, p. 413.
  22. ^ a b Mažuran 1998, p. 129.
  23. ^ a b Klaić 1973, p. 414.
  24. ^ a b Mažuran 1998, p. 130.
  25. ^ Guldescu 1970, p. 87.
  26. ^ Guldescu 1970, pp. 87-88.
  27. ^ Kekez 2011, p. 73.


  • Ágoston, Gábor; Masters, Bruce Alan (2009). Encyclopedia of the Ottoman Empire. Infobase Publishing. ISBN 9781438110257.
  • Deželić, Đuro (1868). Dragoljub: zabavan i poučan tjednik. Zagreb.
  • Corvisier, André; Childs, John (1994). A dictionary of military history and the art of war. Wiley-Blackwell. ISBN 9780631168485.
  • Guldescu, Stanko (1970). The Croatian-Slavonian Kingdom: 1526–1792. The Hague: Walter de Gruyter GmbH & Co KG. ISBN 9783110881622.
  • Horvat, Rudolf (1924). Povijest Hrvatske: od najstarijeg doba do g. 1657 [History of Croatia: from the earliest times to 1657] (in Croatian). 1. Zagreb: Tiskara Merkur.
  • Kekez, Hrvoje (2011). "Osmanska opsada Gvozdanskog 1578" [The Ottoman siege of Gvozdansko in 1578]. VP: Magazin za vojnu povijest (in Croatian). Zagreb: Večernji list. 4: 70–73.
  • Klaić, Vjekoslav (1973). Povijest Hrvata od najstarijih vremena do svršetka XIX. stoljeća [History of Croats from the earliest times to end of 19th century] (in Croatian). 5. Zagreb: Nakladni zavod Matice hrvatske.
  • Lopašić, Radoslav (1890). Bihać i Bihaćka krajina: mjestopisne i poviestne crtice (in Croatian). Zagreb: Marjan tisak.
  • Mažuran, Ive (1998). Povijest Hrvatske od 15. stoljeća do 18. stoljeća [History of Croatia from the 15th to the 18th century] (in Croatian). Zagreb: Golden marketing.
  • Nodilo, Branko (2003). "Zrinske utvrde u hrvatskom Pounju" [Fortresses built by Zrinski family in Croatian pounje region] (PDF). Građevinar (in Croatian). Zagreb: Croatian Society of Civil Engineers. 55: 301–307.
  • Tanner, Marcus (2001). Croatia: A Nation Forged in War. New Haven: Yale University Press. ISBN 978-0-300-09125-0.
  • Tkalčić, Ivan Krstitelj (1861). Hrvatska povjesnica (in Croatian). Bizotiskom Dragutina Albrechta.
  • Turnbull, Stephen (2003). The Ottoman Empire, 1326-1699. New York (USA): Osprey Publishing Ltd. ISBN 9781841765693.

Further reading

  • Pavičić, Ante Tresić (2000). Gvozdansko: epos u 32 pjevanja (in Croatian). AGM. ISBN 9789531741064.

External links

This page was last edited on 26 March 2020, at 11:45
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