Events from the year 1900 in Italy.
The killing of King Umberto I of Italy in Monza on July 29, 1900
Luigi Gerolamo Pelloux was an Italian general and politician, born of parents who retained their Italian citizenship when Savoy was annexed to France. He was the Prime Minister of Italy from 29 June 1898 to 24 June 1900, his rule was considered by historians as conservative and militarist.
Luigi Pelloux
The "Porta Pia Breach" in the Aurelian Walls of Rome in 1870