Facts and Events
He was appointed Privy Councilor in 1613, Governor of Swedish Estonia between 1619 and 1622, Governor General of Livonia in 1622, and Lord High Constable in 1620. He introduced reforms based on the then novel Dutch military doctrine into the Swedish army. He commanded the Swedish forces in Russia and against the Polish-Lithuanian Commonwealth. He also served as one of the five regents jointly ruling Sweden during the minority of Queen Christina.