Ottoman–Venetian War (1537–1540)
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The Third Ottoman Venetian War (1537–1540) was one of the Ottoman–Venetian wars which took place during the 16th century. The war arose out of the Franco-Ottoman alliance between Francis I of France and Süleyman I of the Ottoman Empire against the Holy Roman Emperor
Charles V Charles V may refer to: Kings and Emperors * Charles V, Holy Roman Emperor (1500–1558) * Charles V of Naples (1661–1700), better known as Charles II of Spain * Charles V of France (1338–1380), called the Wise Others * Charles V, Duke ...
. The initial plan between the two had been to jointly invade Italy, Francis through
Lombardy The Lombardy Region (; ) is an administrative regions of Italy, region of Italy that covers ; it is located in northern Italy and has a population of about 10 million people, constituting more than one-sixth of Italy's population. Lombardy is ...
in the North and Süleyman through
Apulia Apulia ( ), also known by its Italian language, Italian name Puglia (), is a Regions of Italy, region of Italy, located in the Southern Italy, southern peninsular section of the country, bordering the Adriatic Sea to the east, the Strait of Ot ...
to the South. However, the proposed invasion failed to take place.


Background

In what became known as the Italian War of 1536–1538, Francis's invasion of
Piedmont Piedmont ( ; ; ) is one of the 20 regions of Italy, located in the northwest Italy, Northwest of the country. It borders the Liguria region to the south, the Lombardy and Emilia-Romagna regions to the east, and the Aosta Valley region to the ...
, having made modest territorial gains, was halted by
Genoa Genoa ( ; ; ) is a city in and the capital of the Italian region of Liguria, and the sixth-largest city in Italy. As of 2025, 563,947 people live within the city's administrative limits. While its metropolitan city has 818,651 inhabitan ...
, an ally of Charles V. Furthermore, he was not able to put all his resources against the city as he also had to fend off Charles V's invasion of
Provence Provence is a geographical region and historical province of southeastern France, which stretches from the left bank of the lower Rhône to the west to the France–Italy border, Italian border to the east; it is bordered by the Mediterrane ...
. At the same time, Süleyman was not yet ready to engage in a large-scale invasion of the
Kingdom of Naples The Kingdom of Naples (; ; ), officially the Kingdom of Sicily, was a state that ruled the part of the Italian Peninsula south of the Papal States between 1282 and 1816. It was established by the War of the Sicilian Vespers (1282–1302). Until ...
thus not giving Francis any relief. Ottoman troops were landed in
Otranto Otranto (, , ; ; ; ; ) is a coastal town, port and ''comune'' in the province of Lecce (Apulia, Italy), in a fertile region once famous for its breed of horses. It is one of I Borghi più belli d'Italia ("The most beautiful villages of Italy"). ...
from their encampment in Valona on July 23, 1537 but these were pulled out within a month when it became clear that Francis was not going to invade Lombardy. However, the landing and raiding of Ottoman soldiers in Apulia and the presence of the large Ottoman fleet in the Strait of Otranto did generate considerable fear in
Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...
that a large-scale invasion would follow. At the same time, crisis in Venetian-Ottoman relations was developing during the siege of
Klis Klis is a Croatian village and a municipality located around a mountain fortress bearing the same name. Population In the 2011 census, the municipality of Klis had a total population of 4,801, consisting of the following settlements: * Bršta ...
- last Habsburg stronghold in Dalmatia, that fell in March 1537. Venetian government feared that Turkish forces would attack Dalmatian cities and resorted to diplomatic efforts in order to avoid the war. These fears were further strengthened when following a skirmish with imperial admiral
Andrea Doria Andrea Doria, Prince of Melfi (; ; 30 November 146625 November 1560) was an Italian statesman, ', and admiral, who played a key role in the Republic of Genoa during his lifetime. From 1528 until his death, Doria exercised a predominant influe ...
, the Ottomans suddenly laid siege to the Venetian Island of
Corfu Corfu ( , ) or Kerkyra (, ) is a Greece, Greek island in the Ionian Sea, of the Ionian Islands; including its Greek islands, small satellite islands, it forms the margin of Greece's northwestern frontier. The island is part of the Corfu (regio ...
in the
Adriatic The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkans, Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Se ...
( Siege of Corfu 1537), thus breaking the peace treaty signed with
Venice Venice ( ; ; , formerly ) is a city in northeastern Italy and the capital of the Veneto Regions of Italy, region. It is built on a group of 118 islands that are separated by expanses of open water and by canals; portions of the city are li ...
in 1502. On Corfu, the Ottomans faced formidable resistance and defenses specifically designed to counter Ottoman artillery. The siege lasted less than two weeks, and afterward Süleyman withdrew his forces and returned east to spend the winter in Adrianople. These events resolved
Pope Paul III Pope Paul III (; ; born Alessandro Farnese; 29 February 1468 – 10 November 1549) was head of the Catholic Church and ruler of the Papal States from 13 October 1534 to his death, in November 1549. He came to the papal throne in an era follo ...
of the need to form a Holy League (1538) to combat and to deter the Ottoman assaults that were expected in the next year. Through intense diplomacy the Pope stopped the war between Charles V and Francis I with the Truce of Nice and secured Charles's support. Venice also joined the league but only reluctantly and after much debate in the senate.


The war

The Ottoman fleet had grown greatly in size as well as in competence over the course of the 16th century and was now headed by the former corsair turned admiral
Hayreddin Barbarossa Hayreddin Barbarossa (, original name: Khiḍr; ), also known as Hayreddin Pasha, Hızır Hayrettin Pasha, and simply Hızır Reis (c. 1466/1483 – 4 July 1546), was an Ottoman corsair and later admiral of the Ottoman Navy. Barbarossa's ...
Pasha. In the summer of 1538 the Ottomans turned their attention to the remaining Venetian possessions in the Aegean capturing the islands of
Andros Andros (, ) is the northernmost island of the Greece, Greek Cyclades archipelago, about southeast of Euboea, and about north of Tinos. It is nearly long, and its greatest breadth is . It is for the most part mountainous, with many fruitful and ...
,
Naxos Naxos (; , ) is a Greek island belonging to the Cyclades island group. It is the largest island in the group. It was an important centre during the Bronze Age Cycladic Culture and in the Ancient Greek Archaic Period. The island is famous as ...
,
Paros Paros (; ; ) is a Greek island in the central Aegean Sea. Part of the Cyclades island group, it lies to the west of Naxos (island), Naxos, from which it is separated by a channel about wide. It lies approximately south-east of Piraeus. The Co ...
, and
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, as well as taking the last two Venetian settlements on the
Peloponnese The Peloponnese ( ), Peloponnesus ( ; , ) or Morea (; ) is a peninsula and geographic region in Southern Greece, and the southernmost region of the Balkans. It is connected to the central part of the country by the Isthmus of Corinth land bridg ...
Monemvasia Monemvasia (, or ) is a town and municipality in Laconia, Greece. The town is located in mainland Greece on a tied island off the east coast of the Peloponnese, surrounded by the Myrtoan Sea. Monemvasia is connected to the rest of the mainland by a ...
and Navplion. The Ottomans next turned their focus to the Adriatic. Here, in what the Venetians considered their home waters, the Ottomans, through the combined use of their navy and their army in
Albania Albania ( ; or ), officially the Republic of Albania (), is a country in Southeast Europe. It is located in the Balkans, on the Adriatic Sea, Adriatic and Ionian Seas within the Mediterranean Sea, and shares land borders with Montenegro to ...
, captured a string of forts in
Dalmatia Dalmatia (; ; ) is a historical region located in modern-day Croatia and Montenegro, on the eastern shore of the Adriatic Sea. Through time it formed part of several historical states, most notably the Roman Empire, the Kingdom of Croatia (925 ...
and formally secured their hold there. The most important battle of the war was the Battle of Préveza, which the Ottomans won thanks to the strategy of Barbarossa,
Seydi Ali Reis Seydi Ali Reis (1498–1563), formerly also written Sidi Ali Reis and Sidi Ali Ben Hossein, was an Ottoman admiral and navigator. Known also as Katib-i Rumi, Galatalı or Sidi Ali Çelebi,Danışan, Gaye. 2019. “A Sixteenth-Century Otto ...
, and Turgut Reis, as well as bad management of the Holy League. After taking
Kotor Kotor (Cyrillic script, Cyrillic: Котор, ), historically known as Cattaro (from Italian language, Italian: ), is a town in Coastal Montenegro, Coastal region of Montenegro. It is located in a secluded part of the Bay of Kotor. The city has ...
, the supreme commander of the League's navy the Genoese Andrea Doria managed to trap Barbarossa's navy in the Ambracian Gulf. This was to Barbarossa's advantage however as he was supported by the Ottoman army in Préveza while Doria, unable to lead a general assault for fear of Ottoman artillery, had to wait in the open sea. Eventually Doria signaled a retreat at which time Barbarossa attacked leading to a major Ottoman victory. The events of this battle, as well as the events of the Siege of Castelnuovo (1539) put a stop to any Holy League plans to bring the fight to the Ottomans in their own territory and coerced the League to begin talks to end the war. The war was particularly painful to the Venetians as they lost most of the rest of their foreign holdings as well as showing them that they could no longer take on even the Ottoman navy alone. A peace treaty or " capitulation" was signed between Venice and the Ottoman Empire to end the war on 2 October 1540. The Venetian negotiator and signatory was
Alvise Badoer Alvise Badoer ( – 7 January 1554) was a Venetian patrician, lawyer, administrator and diplomat. He played a major role in the Ottoman–Venetian War (1537–1540), Ottoman–Venetian War of 1537–1540. He advocated for and helped arrange the Hol ...
. Venice ratified the treaty on 20 November.


Consequences

In the period between the start of the Second Ottoman–Venetian War in 1499 and the end of this war in 1540, the Ottoman Empire made significant advances in the
Dalmatia Dalmatia (; ; ) is a historical region located in modern-day Croatia and Montenegro, on the eastern shore of the Adriatic Sea. Through time it formed part of several historical states, most notably the Roman Empire, the Kingdom of Croatia (925 ...
n hinterland – it didn't occupy the Venetian cities, but it took the
Kingdom of Hungary The Kingdom of Hungary was a monarchy in Central Europe that existed for nearly a millennium, from 1000 to 1946 and was a key part of the Habsburg monarchy from 1526-1918. The Principality of Hungary emerged as a Christian kingdom upon the Coro ...
's
Croatia Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herze ...
n possessions between
Skradin Skradin is a small town in the Šibenik-Knin County of Croatia. It is located near the Krka (Croatia), Krka river and at the entrance to the Krka National Park, from Šibenik and from Split, Croatia, Split. The main attraction of the park, Slapo ...
and
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, eliminating them as a buffer zone between the Ottoman and Venetian territory. The economy of the Venetian cities in Dalmatia, severely impacted by the Turkish occupation of the hinterland in the previous war, recovered and held steady even throughout this war. The Battle of Preveza was the Ottomans' greatest naval victory against Westerners.


See also

* Ottoman–Venetian Wars


Notes


References

* * Garnier, Edith ''L'Alliance Impie'' Editions du Felin, 2008, Paris
Interview
* Goffman, Daniel. The Ottoman Empire and Early Modern Europe. N.p.: Cambridge University, 2002. Print. New Approaches to European History. * * Labib, Subhi. “The Era of Suleyman the Magnificent: Crisis of Orientation”. ''International Journal of Middle East Studies'' 10.4 (1979): 435–451. Web... * * *Soucek, Svatopluk. “Navals Aspects of the Ottoman Conquests of Rhodes, Cyprus and Crete”. ''Studia Islamica'' 98/99 (2004): 219–261. Web... {{DEFAULTSORT:Ottoman-Venetian War (1537-1540) Ottoman–Venetian War 1530s conflicts Conflicts in 1540 1537 in Italy 1537 in the Ottoman Empire 1540 in Italy 1540 in the Ottoman Empire 1539 in Italy 1539 in the Ottoman Empire 1538 in Italy 1538 in the Ottoman Empire Ottoman–Spanish conflicts