King Gustavus Adolphus of Sweden was killed at the Battle of Lützen during the Thirty Years' War.

Gustavus Adolphus, also known as Gustav II Adolf or Gustav II Adolph, was King of Sweden from 1611 to 1632. He is credited with the rise of Sweden as a great European power. During his reign, Sweden became one of the primary military forces in Europe during the Thirty Years' War, helping to…