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Sigismund I the Old

King of Poland and Grand Duke of Lithuania from 1506 to 1548

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Through Poland and Warsaw

Sigismund was born in the town of Kozienice in 1467 as the fifth son of Casimir IV and Elizabeth of Austria. He was one of thirteen children and was not expected to assume the throne after his father. Sigismund's eldest brother and rightful heir Vladislaus II instead became the King of Bohemia, Hungary and Croatia as the successor to George of Poděbrady in Bohemia and then to Matthias Corvinus in Hungary, thus temporarily uniting these kingdoms. When Casimir died IV, the Polish-Lithuanian realm was divided between the remaining two older sons, with John Albert being crowned King of Poland, and Alexander as Grand Duke of Lithuania. Alexander inherited Poland following John I Albert's sudden death in 1501. Hence, Sigismund's reign only began when he succeeded Alexander to both titles in 1506 at the age of 39.

A capable monarch and a patron of the arts, Sigismund established Polish rule over Ducal Prussia and annexed the Duchy of Mazovia with Warsaw, while retaining the nation's wealth and prominence in the region. He made sure that his nephew Albert, Duke of Prussia, and Albert's Protestant successors would pay feudal homage or tribute to Polish monarchs as a sign of political and diplomatic dependence. This was observed until the Treaty of Bromberg in 1657, when Brandenburg gained sovereignty over Ducal Prussia. Sigismund and his commander Jan Amor Tarnowski also defeated Moldavia at Obertyn in 1531, and Muscovy in 1535, thereby strengthening the country's eastern borders. His 42 years reign was further marked by decisive contributions to Polish architecture, cuisine, language, and customs, especially at the behest of his second wife, the Italian-born Bona Sforza. Italian styles and fashions dominated at the height of the Polish Renaissance and Polish Golden Age, which developed the Catholic identity of Poland. He was commemorated on a contemporary 200 złoty banknote.

Sigismund was married twice, first to a noblewoman Barbara Zápolya from Hungary and then to Bona Sforza, the daughter of Gian Galeazzo Sforza, Duke of Milan. He had only one surviving legitimate son, Sigismund Augustus, who was made his co-king vivente rege in 1529 and formally assumed the throne when Sigismund I the Old died in 1548.

Early life and coronation

Sigismund was the son of King Casimir IV Jagiellon and Elizabeth of Austria. He followed his brothers John Albert and Alexander to the Polish throne. Their eldest brother Vladislaus became king of Bohemia, Hungary, and Croatia. Sigismund was christened as the namesake of his maternal great-grandfather, Holy Roman Emperor Sigismund.

When Casimir IV died in 1492, Sigismund was his only son without any titles or land. From 1495 to 1496, he petitioned his brother Alexander to provide him with land, and Elizabeth of Austria attempted to install him on the Austrian throne. Both efforts failed. In 1497, King John I Albert, his older brother, led an invasion of Moldavia that was intended to place Sigismund on its throne. This, too, was a disastrous failure. Finally, his eldest brother Vladislaus II, King of Bohemia and Hungary, granted him the duchies of Głogów (1499) and Opava (1501), and in 1504 Sigismund became governor of Silesia and Lower Lusatia.

John I Albert died suddenly in 1501, and was succeeded by Alexander I, who died in 1506. After his death, Sigismund arrived in Vilnius, where he was elected by the Lithuanian Ducal Council on 20 September 1506 as Grand Duke of Lithuania, contrary to the Union of Mielnik (1501), which proposed a joint Polish-Lithuanian election of a monarch. On 8 December 1506, during the session of the Polish Senate in Piotrków, Sigismund was elected King of Poland. He arrived in Kraków on 20 January 1507 and was crowned four days later in Wawel Cathedral by Primate Andrzej Boryszewski.

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