Editors. "British and French forces try to besiege Sebastopol". The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18308, accessed 20 April 2014.]
The siege of Sebastopol by British and French forces begins, an attack which is to continue until the city's eventual surrender the following September.