Christian IV was one of Denmark's most famous and longest-reigning kings, who sat on the throne from 1588 until his death in 1648. He belonged to the House of Oldenburg and became king at the age of 11, but was not officially crowned as an adult until 1596.He is especially known for his extensive construction activity and for making Copenhagen and Denmark the leading European powers. This experience will take you through the streets of Copenhagen and tell you about his amazing construction projects.