Eugenius proclaimed himself emperor of the west after Valentinian's death but was never recognized by the eastern emperor Theodosius I, who finally had him killed.
Citation:
Bouchard, Elsa. "Usurpation of Eugenius".
The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11562, accessed 23 May 2013.]