Imperium Galactica happened in 1997.
Worlds of the Imperium was created in 1962.
Imperium Vorago was created in 2005.
Imperium Europa was created in 2000.
Imperium Galactica was created in 1997-03.
The duration of Mr. Imperium is 1.45 hours.
Hieroglyphics Imperium Recordings was created in 1995.
Imperium - song - was created on 2003-12-16.
Mr. Imperium was created on 1951-03-02.
Imperium - Polish book - was created in 1993.
Imperium Romanum - video game - happened in 2008.
The term "imperium" basically means a command or an order. In the republic, any magistrate who had the right to give an order had imperium. These were praetors and the counsuls and a dictator if there were one.