In 1878, Italian anarchist Giovanni Passannante tried to kill King Umberto I. He failed, but the punishment that was meted out to him was stunning: not only was he tortured, he was jailed for life, along with his entire family. Even more bizarre, his hometown was forced to change its name.
But it gets even weirder:
It seems that even 97 years later, the Italian government does not want to give publicity to an anti-monarchist.
Dead anarchist becomes cause célèbre in Italy [International Herald Tribune]