http://www.historychannel.com/tdih/tdih.jsp?category=general&month=10272960&day=10272988August 23
1927 Sacco and Vanzetti executed
Despite worldwide demonstrations in support of their innocence, Italian-born anarchists Nicola Sacco and Bartolomeo Vanzetti are executed for murder.
On April 15, 1920, a paymaster for a shoe company in South Braintree, Massachusetts, was shot and killed along with his guard. The murderers, who were described as two Italian men, escaped with more than $15,000. After going to a garage to claim a car that police said was connected with the crime, Sacco and Vanzetti were arrested and charged with the crime. Although both men carried guns and made false statements upon their arrest, neither had a previous criminal record. On July 14, 1921, they were convicted and sentenced to die.
Anti-radical sentiment was running high in America at the time, and the trial of Sacco and Vanzetti was regarded by many as unlawfully sensational. Authorities had failed to come up with any evidence of the stolen money, and much of the other evidence against them was later discredited. During the next few years, sporadic protests were held in Massachusetts and around the world calling for their release, especially after Celestino Madeiros, then under a sentence for murder, confessed in 1925 that he had participated in the crime with the Joe Morelli gang. The state Supreme Court refused to upset the verdict, and Massachusetts Governor Alvan T. Fuller denied the men clemency. In the days leading up to the execution, protests were held in cities around the world, and bombs were set off in New York City and Philadelphia. On August 22, Sacco and Vanzetti were electrocuted.
In 1961, a test of Sacco's gun using modern forensic techniques apparently proved it was his gun that killed the guard, though little evidence has been found to substantiate Vanzetti's guilt. In 1977, Massachusetts Governor Michael Dukakis issued a proclamation vindicating Sacco and Vanzetti, stating that they had been treated unjustly and that no stigma should be associated with their names.