The Kalmar Union’s King John, titular elected…

The Kalmar Union’s King John, titular elected monarch of Denmark, Norway, and Sweden for the past sixteen years, grows impatient with the vacillations of Sweden’s long-ruling regent, Sten Sture the Elder, who has continued to deny John the rulership of Sweden.

In 1497, John and his forces seize Kalmar, the union’s political center, in southeastern Sweden.