The Ancient Prussian Art Chamber was originally established by Joachim II Hector , Elector of Brandenburg in the mid 16th century .
The Ancient Prussian Art Chamber was originally was nearly destroyed during the Thirty Years ' War ( 1618 -- 1648 ) .
The Ancient Prussian Art Chamber was originally established by Joachim II Hector , Elector of Brandenburg in the mid 16th century , but was nearly destroyed during the Thirty Years ' War ( 1618 -- 1648 ) .