The killing of a King is called regicide - an example of regicide was Oliver Cromwell beheading King Charles I of England.
When king Darius was retreating after defeat at Gaugamela, Bessus killed him and made himself king. When he was captured, Alexander had him tried and executed for regicide.
Regicide
The Regicide of Louis XVI.
The Reign of Terror. The Regicide of Louis XVI. The Death of Marie Antoinette.
King Louis XVI was the victim of Regicide.
Macbeth was a loyal vassal of King Duncan. Macbeth's act should not be considered regicide.
Regicide is the murder of a king.
It's still called regicide
The man committed regicide.
The man comided regicide on linken
A murderer; traitor; assassin; treason
Richard Deane - regicide - was born in 1610.
Richard Deane - regicide - died in 1653.
Thomas Chaloner - regicide - was born in 1595.
Thomas Chaloner - regicide - died in 1661.
John Fry - regicide - died in 1657.
John Fry - regicide - was born in 1609.