D'Annunzio led an unofficial Italian army to occupy the port of Fiume (present day Rijeka) in defiance of the proposal in the Treaty of Versailles to incorporate Fiume into the Yugoslav state rather than Italy.
Editors. "Gabriele d'Annunzio leads army to seize Fiume". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=12723, accessed 30 September 2016.]