The third ruler of this name won a civil war called the "Count's Feud", after which he converted his country to Lutheranism.
The third ruler of this name won a civil war called the "Count's Feud", after which he converted his country to Lutheranism. The first ruler of this name is considered the founder of the House of Oldenburg. The second ruler of this name won the Battle of Bogesund against Sten (*) Sture the Younger, after which he executed Sture's supporters in the Stockholm Bloodbath. The fourth ruler of this name intervened in the Thirty Years War but was defeated and forced to withdraw, ending the Danish phase. For ten points, name this common name of Danish kings, which refers to their religion.
The third ruler of this name won a civil war called the "Count's Feud", after which he converted his country to Lutheranism.
{Christian }