However , before the senate could act , the praetorian guard proclaimed Claudius emperor .
When , four years later , Caligula fell at the hands of an assassin , Camillus , then governor of Dalmatia , was one of those considered as a possible successor .
Before the senate could act , the praetorian guard proclaimed Claudius emperor .
When , four years later , Caligula fell at the hands of an assassin , Camillus , then governor of Dalmatia , was one of those considered as a possible successor .