18 June – Mount Etna erupts in Italy, making 60,000 homeless
18 November – The Acerbo Law goes into effect giving Mussolini's fascist party a majority of deputies. The law was used only in the 1924 general election, which was the last competitive election held in Italy until 1946.
1 December – In Italy, the Gleno Dam on the Gleno River, in the Valle di Scalve in the northern province of Bergamo bursts, killing at least 356 people[2]