Pietro Umberto Acciarito (27 June 1871 – 4 December 1943) was an Italian anarchist who at the age of 25 attempted to assassinate the then king of Italy, Umberto I.
Early life
Acciarito was born in Artena, where his family had settled a decade before his birth. His parents were Camillo Acciarito, and Anna Jossi. he family lived in poverty, partly as a result of Rome’s housing construction boom in the 1880s, which the Italian government made little effort to alleviate.
Life in prison, second trial and death
thumb|Acciarito's trial according to the Roman weekly La Tribuna Illustrata of 9 June 1899
Despite absolute proof of no connection to anarchism or others involved, the state still claimed otherwise saying that the anarchist socialist party based in Ancona were responsible.
