On April 5, 1951, Julius and Ethel Rosenberg were sentenced to death after a treason trial in which they were convicted of passing atomic secrets to the Soviet Union. Learn more about the Rosenberg trial.

On April 5, 1999, the government of Libya turned over to British authorities two of its citizens who were accused of blowing up Pan Am flight 103 over Lockerbie, Scotland in 1988. The subsequent trial of Abdelbaset Ali Mohmed Al Megrahi and Al Amin Khalifa Fhimah began on May 3, 2000. When the court reached its verdict, Fhimah was found not guilty and returned to Libya, while Megrahi was convicted of murder and sentenced to life in prison.

Learn more about the Lockerbie Air Disaster and the trial of Megrahi and Fhimah from the Syracuse University Law School. Also, learn more about the investigation into the disaster from the United States Federal Bureau of Investigation.