In a series of encounters between the antagonists of the American
Civil War, known as the Seven Days Battles, a Confederate army
under the command of Robert Lee forces Unionist troops to retreat
from the Virginian Peninsula.
Citation:
Editors. "Federal troops withdraw from the Virginia Peninsula after Seven Days battle".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18437, accessed 19 June 2013.]