Claudius Proclaimed Emperor

Date: January 24, 41 • Location: London, United Kingdom

Claudius is proclaimed Roman emperor by the Praetorian Guard after they assassinate the previous emperor, his nephew Caligula.

The 40s ran from January 1, AD 40, to December 31, AD 49. Following the assassination of Caligula, Claudius became Roman emperor in AD 41. In AD 43 he sent Aulus Plautius with four legions across the Channel, initiating the decades-long Roman conquest of Britain.