Sigismund was a king. 
Sigismund was a king. 

Sigismund II Augustus was a king. He ruled Poland and Lithuania. 
Sigismund was a leader who loved art. He collected beautiful tapestries and old swords. 
His life had some hard times. He married three times. His first wife was Elizabeth of Austria. She died when she was only 18. 

In 1569, he helped join his two lands together. This created the Polish–Lithuanian Commonwealth. 
Sigismund II Augustus was a very important king. He ruled the lands of Poland and the Grand Duchy of Lithuania. 
Sigismund's rule was a very bright time for his people. Many people call it the Polish Golden Age. 

Life was not always easy for the young king. He married three different women during his life. His first wife was Elizabeth of Austria. They married in 1543 at the Wawel Cathedral. 
Barbara became the Queen of Poland in 1550. 
Sigismund made big changes to how his lands worked. In 1569, he oversaw the Union of Lublin. 
Sigismund II Augustus was a major political figure in Eastern Europe. He served as the King of Poland and the Grand Duke of Lithuania. 
Sigismund was born in Kraków on August 1, 1520. His father was Sigismund I the Old, and his mother was Bona Sforza of Milan. Because he was the only surviving male heir, his education was very intense. Renowned scholars taught him to prepare for leadership. His mother wanted to name him Augustus after the first Roman Emperor. His father disagreed and wanted to keep the name Sigismund. To settle the dispute, the boy was given both names.
Sigismund began his rise to power through a process called vivente rege. This is a Latin term meaning "while the king is living." In 1529, he was chosen as king while his father was still on the throne. 
His personal life was marked by significant struggle and three different marriages. His first marriage was to Elizabeth of Austria in 1543. 
After Elizabeth, Sigismund fell in love with Barbara Radziwiłł. This relationship caused a massive political crisis. The nobility and the King's mother, Bona Sforza, strongly opposed the marriage. Many nobles even threatened to leave their allegiance to the king. Sigismund eventually married her in secret and she was crowned Queen in 1550. 
Sigismund's third marriage was to Catherine of Austria. However, this marriage did not produce any living children. This lack of an heir meant the Jagiellonian dynasty would not continue through a male line. Despite these personal losses, his political work changed the map of Europe. In 1569, he oversaw the signing of the Union of Lublin. 
Sigismund left behind a very organized and cultured kingdom. He established the first regular Polish navy to protect trade. He also created the first regular postal service, which is known today as Poczta Polska. 

Sigismund II Augustus died on July 7, 1572, in Knyszyn.
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