Ernesto "Che" Guevara, a prominent Marxist revolutionary who was a key figure in the Cuban Revolution, was executed on October 9, 1967, by the Bolivian army.
Mary, Queen of Scots sought protection from her cousin Queen Elizabeth I of England, but was locked up for 18 years before being beheaded in 1587 due to a perceived threat to the latter's reign.
Mary, Queen of Scots
Socrates, the influential Greek philosopher and founder of Western philosophy, was sentenced to death by poisoning after being convicted of impiety and corrupting the youth, despite being greatly admired by his followers.
Former Iraqi President Saddam Hussein was hanged on December 30, 2006, after being convicted of crimes against humanity by the Iraqi Special Tribunal for the Dujail massacre.
John Wayne Gacy, a notorious serial killer who killed at least 33 teenage boys and young men between 1972 and 1978, was executed by lethal injection on May 10, 1994.
John Wayne Gacy
NOAA weather satellite, NASA's first launch after Challenger disaster, failed when the Delta 3194 rocket was struck by lightning, causing an electrical fault that shut down the engine, leading to the rocket's destruction 20 seconds later. Image: NASA.
Nicolae Ceauşescu, the Romanian Communist Party leader, was executed by firing squad on December 25, 1989, after being convicted of economic sabotage and genocide.
French politician Pierre Jean Marie Laval was executed by firing squad in 1945 after being found guilty of collaborating with the enemy during World War II.