Killer Waves. Photograph by Deshakalyan Chowdhury/AFP/Getty Images. A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), onto land. These walls of water can cause widespread destruction when they crash ashore.hotograph by Deshakalyan Chowdhury/AFP/Getty Images. A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), onto land.
Julius and Ethel Rosenberg. Ethel Greenglass Rosenberg (September 28, 1915 â June 19, 1953) and Julius Rosenberg (May 12, 1918 â June 19, 1953) were American communists who were convicted and executed in 1953 for conspiracy to commit espionage during a time of war.
Quick Answer. Nelson Mandela was arrested in 1956 for treason, in 1962 for leaving the country without a passport and in 1964, Mandela was charged with sabotage while incarcerated at Pretoria Local Prison. He was sentenced to 5 years in prison in 1962 and then sentenced to life in 1964. Continue Reading.