Who was released by the South African government on February 11, 1990, after more than 27 years in prison?

After Mary Wickes died, Jane Withers completed the voice of a gargoyle named Laverne for which 1996 Disney film? After meeting which rival liberator in 1822 did Jose de San Martin leave South America? After mobs attacked several Havana newspapers in January 1898, which battleship did the U.S. send to Cuba? After months of fighting, the defenders of which Russian city destroyed the German Sixth Army in 1943? After moving to Europe, which New York-born writer published "The Tragic Muse", a novel about the art world, in 1890? After moving to Indianapolis in 1854, which future president became a deacon and elder at the city's First Presbyterian… After moving to Spain in 1485, which explorer used the name Colon, the Spanish version of his name? After moving to the South Seas, which author wrote "The Beach of Falesa", an adventure story set there, published in 18…