Today in history:On Aug. 5, 1962, South African anti-apartheid activist Nelson Mandela was arrested on charges of leaving the country without a valid passport and inciting workers to strike; it was the beginning of 27 years of imprisonment. In 1864, during the Civil War, Union Adm. David G. Farragut led his fleet to victory in the Battle of Mobile Bay, Alabama. In 1884, the cornerstone for the Statue of Liberty’s pedestal was laid on Bedloe’s Island in New York Harbor. In 1953, Operation Big Switch began as prisoners taken during the Korean War were exchanged at Panmunjom. In 2011, the sun-powered robotic explorer Juno rocketed toward Jupiter on a five-year quest to discover the secret recipe for making planets.