Sokollu Mehmed Pasha (Ottoman Turkish: صوقوللى محمد پاشا, romanized: Sokollu Mehmet Paşa; Serbian: Мехмед-паша Соколовић, romanized: Mehmed-paša Sokolović; pronounced [měxmet pâʃa sokǒːloʋitɕ]; 1505 – 11 October 1579) was an Ottoman statesman. He was most notable for being the grand vizier of the Ottoman Empire. Born in Ottoman Herzegovina into an Orthodox Christian family, Mehmed was abducted as a young boy as part of the so-called "blood tax" to serve as a janissary to the Ottoman devşirme system of recruiting Christian boys to be raised as officers or administrators for the state. He rose through the ranks of the Ottoman imperial system, eventually holding positions as commander of the imperial guard (1543–1546), High Admiral of the Fleet (1546–1551), Governor-General of Rumelia (1551–1555), Third Vizier (1555–1561), Second Vizier (1561–1565), and Grand Vizier (1565–1579, for a total of 14 years, three months, 17 days) under three sultans: Suleiman the Magnificent, Selim II, and Murad III. He was assassinated in 1579, ending his near 15-years of service to several Sultans, as sole legal representative in the administration of state affairs.
Although Sokullu became a Muslim, he remembered his Serbian Orthodox roots and family. He persuaded the Sultan to restore the Serbian Patriarchate of Peć as a "gesture of reconciliation". He appointed members of his family (both Muslim and Christian) to important positions in the Ottoman Empire, including Sokollu Mustafa Pasha, Makarije Sokolović, Ferhad Pasha Sokolović, Sinan-beg Boljanić, Sokolluzade Lala Mehmed Pasha and Lala Mustafa Pasha.
Sokollu's birth name was probably Bajica (Serbian Cyrillic: Бајица), and he was of ethnic Serbian origin. He was said to be born into a modest shepherd family, adherent to the Serbian Orthodox Church, in or near Sokolovići (Turkish: Sokol) in the vicinity of modern-day Rudo. Sokollu is a demonym, derived from his place of birth, whereas the suffix -lu means "from" in Turkish. His father was named Dimitrije. He had two brothers and a sister, who married the older brother of Hüseyin Pasha Boljanić, as well as at least one uncle. However, details about his family and relations are disputed on two major counts. One is his relationship to Makarije Sokolović. Traditionally identified as his brother, today some historians consider him to have been either a nephew or distant relative. The second is the matter of Mehmed's uncle. By some accounts, his uncle was a monk at the Mileševa monastery who had his two nephews, Bajica and Makarije (taken to be brothers according to this view), educated there. Other sources suggest that his uncle converted to Islam early.
He was renamed Mehmed and, first in Edirne and then in Constantinople, received a thorough Ottoman education as a recruit, first as an apprentice janissary (Turkish: Acemi Oğlan); then in the Enderun or palace school in Topkapı Palace.
As proclaimed in Baghdad on 13 March 1535, Mehmed was sent to be one of the seven retainers of the Imperial Treasurer Iskender Çelebi. Upon Iskender's death, Mehmed returned to Constantinople. In addition to Turkish, he spoke Serbian, Persian, Arabic, Venetian and Latin.
Mehmed in 1541 first became an Imperial Chamberlain and then the head of the Sultan's squires. In these positions he became very close to Sultan Suleiman the Magnificent and learned from him.
As a soldier, Mehmed excelled at the Battle of Mohács and the first Siege of Vienna. In 1546 the Kapudan Pasha Hayreddin Barbarossa died and Mehmed was appointed his successor. In this capacity he was present at the naval expedition against Trablus (present-day Tripoli in Libya). During his five years in this position, Mehmed Pasha greatly strengthened the arsenal of the naval fleet.
Mehmed became Beylerbey (Governor-General) of Rumelia in 1551, headquartered in Sofia. While he was visiting the area of his birth, his mother recognized him by the birthmark on his face and embraced her child for the first time in more than thirty years.
After the death of John Zápolya, king of Hungary as an Ottoman vassal, in 1540, Ferdinand I, Holy Roman Emperor looked to annex Zápolya's lands (the Eastern Hungarian Kingdom). The Hungarian diet had elected infant John Sigismund Zápolya, the son of Zápolya and Isabella Jagiellon, as King of Hungary, which broke the Treaty of Nagyvárad, and Ferdinand I invaded Hungary. Queen Isabella struggled to rule Hungary for her son. Frater George Martinuzzi, appointed by John as regent, opposed her (he would later be created a Cardinal as reward for his accomplishments in this conflict). Ferdinand I sent mercenary leader (condottiero) Bartolomeo Castoldo with more than 7,000 mercenaries who beat a contingent led by Péter Petrovics, killing more than 2,500 of them, near Csanád. The Sultan immediately ordered Sokollu Mehmed Pasha to move into Hungary, so he assembled an army of 90,000 soldiers and fifty-four cannons and also summoned the pashas of Smederevo, Vidin and Nicopolis. When his forces reached Slankamen in Syrmia, George Martinuzzi begged Mehmed not to attack Transylvania, arguing that it had remained in the possession of the Sultan. Mehmed rejected negotiation proposals, led Ottoman forces into Transylvania and soon captured 16 cities, including Bečej, Becskerek, Csanád and Lippa. In this campaign, Sokollu won over to his side local Serb-manned garrisons by pointing out to his common ethnicity with them. Martinuzzi responded by raising a rebellion in Transylvania, mustering one soldier from every household. Mehmed had to fall back and once again laid siege to Temesvár on 14 October with the main part of his army and 50 cannons. Mehmed demanded surrender, but the city's commander, István Losonci, replied with a recommendation for Mehmed's return to Rumelia.
Mehmed besieged the city until 28 October but could not seize it. Retreating to Belgrade, he initiated peace negotiations with the Monk-Viceroy. Martinuzzi was assassinated on 17 December 1551, and peace talks ended. Sokollu Mehmed renewed his military campaign in 1552, seizing Temesvár (see Siege of Temesvár (1552)), Hollókő, Buják, Rétság, Balassagyarmat, the whole of Banat and Szolnok. Sokollu Mehmed's forces then joined with those of Ahmet Pasha advancing towards Eger. Mehmed's army assembled on the Hill of Egid but could not take the city itself.
In 1532, Sultan Suleiman had declared war on Safavid Persia following two decades of peace after the climactic Battle of Chaldiran, when the Persian Shah Tahmasp wanted to take advantage of the Sultan's preoccupation with Hungary and started making armed incursions into Ottoman territory. Sokollu Mehmed was dispatched to spend the winter of 1553/1554 in Tokat to take charge of the final stages of the war against Persia. In June 1554, Mehmed Pasha and the Rumelian troops joined the Sultan's army and took part in the Safavid campaign (1554–1555).
Impressed by Sokollu Mehmed's skills, the Sultan made him the Third Vizier in 1555 and he was given a place in the Imperial Council (Divan). His position as Governor-General of Rumelia was given to a Herzegovinian Janissary agha, Pertev Pasha, an old companion of Mehmed's from when they had both served under Iskender Çelebi.
Almost immediately Sokollu Mehmed had to quell a rebellion around Salonica, led by Mustafa Bey, who pretended to be the Sultan's late son Mustafa. Sokollu Mehmed took 4,000 horsemen and 3,000 janissaries and quelled the rebellion. Mustafa Bey was hanged.
Mehmed had a close relative Makarije Sokolović, who was a monk of the Serb Hilandar Monastery on Mount Athos. In 1557, while Mehmed was still the Third Vizier, the final re-establishment of the autocephaly of the Serbian Orthodox Church was achieved, through the restoration of the Serbian Patriarchate of Peć, with Mehmed's cousin Makarije Sokolović becoming new Serbian Patriarch as Makarije I, who was succeeded in 1571 by another family member Antonije Sokolović, as Patriarch Antonije I.
When the former Grand Vizier Ahmet Pasha was deposed and hanged, he was replaced by Rüstem Pasha, who had numerous enemies. One of them was Lala Mustafa, who instigated the Sultan's third son, Bayezid, then Beylerbey of Karaman, to raise a rebellion against his brother and heir-apparent Selim. Sokollu Mehmed mustered an army and went to Konya, where he decisively defeated Bayezid's forces in May 1559. Bayezid fled to Persia. Sokollu Mehmed remained in Asia and spent the winter negotiating with the Persian Shah regarding Bayezid's extradition. After long negotiations, the Shah handed over Bayezid and his four sons, who were subsequently executed.