of Archduke Franz Ferdinand in Sarajevo were sentenced to death by hanging, while eleven were sentenced to various years in prison, including Gavrilo Princip who fired the fatal shot. Khalid Islambouli was one of three members of Egyptian Islamic Jihad executed for the assassination of Anwar Sadat, the autocratic President of Egypt in 1981. Even both Hipparchus's assassins were themselves killed, Harmodius on the spot and Aristogeiton after being tortured, and the major conspirators in the plot to kill Caesar were likewise killed or forced to commit suicide. Outright revolt was the context for other tyrannicides, and allowed individual killers to escape or remain anonymous. During World War II and the Italian resistance movement, Walter Audisio claimed to have led his team of partisans in the abduction and execution by firing squad of Benito Mussolini in 1945. The circumstances remain clouded, though Audisio was later elected to both the Italian Chamber of Deputies and the Italian Senate. In 1990, Samuel Doe, the President of Liberia was tortured to his death. In 1996, during their takeover of Afghanistan, Taliban soldiers captured Mohammad Najibullah, the President of the Soviet-backed Democratic Republic of Afghanistan, and dragged him to death. Saddam Hussein, President of Iraq was executed in 2006. During the 2011 Libyan civil war, Libyan leader Muammar Gaddafi, the self-titled "Brotherly Leader and Guide of the Revolution", was killed in the Battle of Sirte, in unclear circumstances. Literature Tyrannicide is a popular literary trope. Many works of fiction deal with the struggle of an individual or group of individuals to overthrow and kill an unjust tyrant. Often the tyranny is caused by an usurper to a royal throne, where the conclusion restores the proper heir. Children's literature frequently deals with the subject. Folk tales like The Nutcracker include the act, as do some video games series, like The Legend of Zelda and Star Fox. Examples in Disney animation include The Lion King and Aladdin which both involve the tyrannical takeover of a monarchy and its overhaul. Fantasy works like The Chronicles of Narnia, The Brothers Lionheart, A Song of Ice and Fire and science-fiction series like Star Wars and Doctor Who all deal with the killing of tyrants. Besides Julius Caesar, a number of William Shakespeare's plays deal with the subject, including Hamlet, Macbeth, and Richard III. Friedrich Schiller based the play William Tell and the ballad Die Bürgschaft on existing legends of