When King Erik XIV's younger brother Johan seized power and deposed the king on September 29, 1568, Johan III was already married to a Polish princess named Katarina Jagellonica, who now became Queen of Sweden.
When the couple married in 1562, Johan was the Duke of Finland, which was a part of Sweden. But behind the king's back Johan had begun to pursue …
Keep reading with a 7-day free trial
Subscribe to Swedish Historian to keep reading this post and get 7 days of free access to the full post archives.