Editors. "Siege of Paris by Prussian forces begins". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18583, accessed 20 April 2014.]
After the collapse of Napoleon III's French army at the Battle of Sedan at the beginning of September, Prussian forces begin to besiege Paris.