Because many people mistakenly think a tsunami is a single wave, some return to the beach after the first wave hits, Lopes said. On March 11, 2011, a man in Klamath River, Calif., died after he was swept away by a second wave while taking pictures of the Japan tsunami, Lopes said.
Principate. The Principate is the first period of the Roman Empire, extending from the beginning of the reign of Augustus Caesar to the Crisis of the Third Century, after which it was replaced with the Dominate.
Imperium is a Latin word which, in a broad sense, translates roughly as ' power to command'. In ancient Rome, different kinds of power or authority were distinguished by different terms.Imperium referred to the sovereignty of the state over the individual.It is not to be confused with auctoritas or potestas, different and generally inferior types of power in the Roman Republic and Empire.rimarily used to refer to the power that is wielded, in greater or lesser degree, by an individual to whom it is delegated, the term could also be used with a geographical connotation, designating the territorial limits of that imperium.