King Frederick William IV of Prussia suffers a stroke, at the age
of 62, leaving him partly paralysed and unable to carry out his
governmental duties. From now until his death in 1861, his brother
William serves as Regent.
Citation:
Editors. "Frederick William IV of Prussia suffers a stroke".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18348, accessed 24 May 2013.]