From left to right: Charles I of England (beheaded 30 Jan 1649), Louis XVI of France (beheaded 21 January 1793), Nicholas II of Russia (shot 17 July 1918).  All images and dates from respective Wikipedia articles.
Left to right: Charles I of England (beheaded 30 Jan 1649), Louis XVI of France (beheaded 21 January 1793), Nicholas II of Russia (shot 17 July 1918). All images and dates from respective Wikipedia articles.

“Hello and welcome to the Springfield Police Department Rescue Phone.  If you know the name of the felony being committed, press one.  To choose from a list of felonies, press two.  If you are being murdered or are calling from a rotary phone, please stay on the line. [random number tones] You have selected regicide.  If you know the name of the king or queen being murdered, press one.” – Springfield Rescue Phone