Pétain succeeds R. G. Nivelle as French Commander-in-Chief. Ferdinand Foch becomes chief of staff.
Citation:
Editors. "Henri Pétain becomes French Commander-in-Chief".
The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=12472, accessed 20 May 2013.]