Charles was king of Sweden from 1697 - 1718, which made the
Great Northern War one of his problems.
In 1700, Charles defeated the Russians
at Narva. The Russians took it back in 1704.
In 1718, Charles XII got killed at the
siege of Frederickshall.
The Family of Charles
XII
Charles' father was
Charles XI.
Charles' mother was Ulrika Eleonora of Denmark.