Gustav II Adolf or Gustavus II Adolphus was born in Stockholm on Dec. 9 1594 son of Charles IX of the Vasa dynasty and Christina of Holstein-Gottorp. He was killed at Lutzen in Germany in battle on November 6, 1632. He was a popular King of Sweden from 1611 until his death, the only Swedish king refered to as "The Great." Gustav Adolf founded the city of Gothenburg as well as a number of smaller cities. He also founded the University of Tartu in Tartu, Estonia, . Gustavus Adolphus organized the strongest army of the early 17th century, and is considered the Father of Modern Warfare. His advancements in military science made Sweden the dominant Baltic power for the next 100 years.