1911 Encyclopædia Britannica, Volume 12… (1911)
“ Seeing one of their accomplices speaking to Hippias, and imagining that they were being betrayed, they prematurely attacked and slew Hipparchus alone. Harmodius was cut down on the spot by the guards, and Aristogeiton was soon captured and tortured to death. When Hippias was expelled (510) , Harmodius and Aristogeiton became the most popular of Athenian heroes ”
