On the banks of the river Saal, in Merseburg, forming part of Saxony, at the time of which we speak, governed by the aged and excellent Elector Frederick, stood the Castle of Lindburg. It was one of those feudal piles of the Middle Ages, impregnable to the engines of ancient warfare, but which were destined to crumble before the iron shots with which cannon assailed them, as the system they represented was compelled to succumb to the light of that truth which the Gospel was then diffusing over the greater part of Europe.