The Battle of Stegeborg took place on a meadow near Stegeborg Castle

Stegeborg Castle

Stegeborg Castle is a ruined castle in St Anna parish, Söderköping, Östergötland, located on an island in a narrow sound at the bay of Slätbaken.- Brief history :...

, Sweden

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 on September 8, 1598. It is part of the so-called War against Sigismund

War against Sigismund

The war against Sigismund was a war between Duke Charles, later King Charles IX and Sigismund, King of Sweden and Poland. Lasting from 1598 to 1599, it is also called War of Deposition against Sigismund, since the focus of the conflicts was the attempt to depose the latter from the throne of Sweden...

, in turn part of the Polish-Swedish Wars.

King of Poland and Sweden, Sigismund

Sigismund III Vasa

Sigismund III Vasa was King of Poland and Grand Duke of Lithuania, a monarch of the united Polish–Lithuanian Commonwealth from 1587 to 1632, and King of Sweden from 1592 until he was deposed in 1599...

, tried to put down a rebellion by Duke Charles

Charles IX of Sweden

Charles IX of Sweden also Carl, was King of Sweden from 1604 until his death. He was the youngest son of King Gustav I of Sweden and his second wife, Margaret Leijonhufvud, brother of Eric XIV and John III of Sweden, and uncle of Sigismund III Vasa king of both Sweden and Poland...

. Sigismund, accompanied by mostly Polish-Lithuanian Commonwealth

Polish-Lithuanian Commonwealth

The Polish–Lithuanian Commonwealth was a dualistic state of Poland and Lithuania ruled by a common monarch. It was the largest and one of the most populous countries of 16th- and 17th‑century Europe with some and a multi-ethnic population of 11 million at its peak in the early 17th century...

 forces, was victorious. However, he decided not to press his advantage as to not antagonise the Swedes with heavy losses. In the long run, this proved to be a mistake, as the Swedish rebels regained the initiative and defeated Sigismund at the battle of Stångebro

Battle of Stångebro

The Battle of Stångebro or Battle of Linköping took place at Linköping, Sweden on September 25, 1598, and effectively ended the personal union between Sweden and the Polish-Lithuanian Commonwealth, that had only existed since 1592...

. This effectively led to the end of the Polish-Swedish union

Polish-Swedish union

Polish–Swedish union was a short-lived personal union between the Polish–Lithuanian Commonwealth, and the Kingdom of Sweden, when Sigismund III Vasa, King of Poland, was crowned King of Sweden in 1592. In 1599, after a civil war, he lost this crown and returned to Warsaw.-Prelude:After the death of...

.