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.
Historical Oddities: Incitatus, the Horse Caligula Made Senator. Many Roman Emperors are now known for the more eccentric moments of their reigns than their actions as rulers. Caligula, consul and Emperor of Rome from 37 to 41 AD, is probably one of the more well known, and the more eccentric. Caligulaâs short reign was characterized by a feud between himself and the Roman Senate, and efforts by the Emperor to increase his own personal power within the empire.