In the course of the Franco-Prussian War, the French Eastern Army
(formed of remnants of the destroyed French Army of the Loire),
flees from the German General Monteuffel, across the Swiss
frontier, where they are disarmed and imprisoned.
Citation:
Editors. "French Eastern Army crosses Swiss frontier and is disarmed".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18594, accessed 21 May 2013.]