1550 – He was born on the 4th of October.
1568 – He was the real leader of the rebellion against Eric XIV, but took no part in the designs of his brother John III against the unhappy king after his deposition.
1569 – By his father’s will he got, by way of appanage, the Duchy of Södermanland, which included the provinces of Närke and Värmland; but he did not come into actual possession of them till after the fall of Eric XIV of Sweden.
1604 – The first deed in which the title appears is dated March 20.
1611 – He died on the 30th of October at Nyköping.