Carl XVI Gustaf of Sweden has been serving as the king of Sweden since the demise of his grandfather King Gustaf VI Adolf in 1973. He is currently the longest-reigning monarch in the history of Sweden. Apart from being passionate about the environment, agriculture, technology, and trade, the king is also fond of automobiles and owns many Porsche 911s.
Gustavus Adolphus of Sweden reigned as the King of Sweden from 30 October 1611 until his death on 6 November 1632, at the age of 37. He is credited with transforming Sweden into a great European power. Considered one of the greatest modern military commanders, Gustavus Adolphus turned Sweden into one of Europe's primary military forces during the Thirty Years' War.
Charles XI of Sweden reigned as the king of Sweden from 1660 to 1697. He is credited with correcting Sweden's economic, political, and financial situation, which was largely neglected at that time. Widely regarded as the greatest king in Swedish history, Charles XI is credited with shaping Sweden through major reforms.
Björn Ironside was a legendary king of Sweden and Norse Viking chief. He is believed to have been the first leader of the Munsö dynasty, which thrived during the Viking Age. It is also believed that the descendants of Ironside ruled over the Swedes for years. In the historical drama TV series Vikings, Ironside is being portrayed by Alexander Ludwig.