Tyrannicide is the killing or assassination of a tyrant usually for the common good. The term also denotes those who kill a tyrant: e.g., Harmodius and Aristogeiton are called `the tyrannicides`. `Tyrannicide` does not apply to tyrants killed in battle or killed by an enemy in an armed conflict. It is rarely applied when a tyrant is killed by ... Found on http://en.wikipedia.org/wiki/Tyrannicide
In ancient Greece and Rome, the killing or killer of a tyrant. Examples include the Greeks Harmodius and Aristogiton, whose assassination in 514 BC of Hipparchus, a member of the ruling Pisistr ... Found on http://www.encyclo.co.uk/local/20688