After Frederick VII of Denmark announces that Schleswig would be
incorporated into Danish territory under the terms of a new liberal
constitution, the German-speaking majority population in the
Duchies of Schleswig and Holstein rebel and form a government.
Prussia recognises the autonomy of the Duchies from Denmark.
Citation:
Editors. "German elements in Duchies of Schleswig and Holstein form government".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18140, accessed 19 June 2013.]