Defenestration of Prague

The Defenestration of Prague was an event central to the initiation of the Thirty Years War in 1618. Effectively the Bohemian aristocracy was in revolt, following the election of [Ferdinand, Duke of Styria]?, a catholic zealot, to rule the empire. At Hradcany castle on [23 May]? 1618, a number of them took the Imperial governors and threw them out of the castle windows; neither of them was injured in the assault.