of Trieste was divided between the two states. Italy also lost all its colonial possessions, formally ending the Italian Empire. Fears in the Italian electorate of a possible Commu

Alcide De Gasperi, first republican Prime Minister of Italy and one of the Founding Fathers of the European Union.
Italy became a republic after a referendum[68] held on 2 June 1946, a day celebrated since as Republic Day. This was also the first time that Italian women were entitled to vote.[69] Victor Emmanuel III's son, Umberto II, was forced to abdicate and exiled. The Republican Constitution was approved on 1 January 1948. Under the Treaty of Peace with Italy of 1947, most of Venezia Giulia was lost to Yugoslavia and, later, the Free Territory of Trieste was divided between the two states. Italy also lost all its colonial possessions, formally ending the Italian Empire.
Fears in the Italian electorate of a possible Communist takeover proved crucial for the first universal suffrage electoral outcome on 18 April 1948, when the Christian Democrats, under the leadership of Alcide De Gasperi, obtained a landslide victory. Consequently, in 1949 Italy became a member of NATO. The Marshall Plan helped to revive the Italian economy which, until the late 1960s, enjoyed a period of sustained economic growth commonly called the "Economic Miracle". In 1957, Italy was a founding member of the European Economic Community (EEC), which became the European Union (EU) in 1993.


In 1957 Italy was among the EEC's six founding members in the Treaty of Rome.
From the late 1960s until the early 1980s, the country experienced the Years of Lead, a period characterized by economic crisis (especially after the 1973 oil crisis), widespread social conflicts and terrorist massacres carried out by opposing extremist groups, with the alleged involvement of US intelligence.[70][71][72] The Years of Lead culminated in the assassination of the Christian Democrat leader Aldo Moro in 1978 and in the Bologna railway station massacre in 1980, where 85 people died; these events had deeply affected the whole country.[citation needed]
In the 1980s, for the first time since 1945, two governments were led by non-Christian-Democrat premiers: one liberal (Giovanni Spadolini) and one socialist (Bettino Craxi); the Christian Democrats remained, however, the main government party. During Craxi's government, the economy recovered and Italy became the world's fifth largest industrial nation, gaining entry into the G7 Group. However, as a result of his spending policies, the Italian national debt skyrocketed during the Craxi era, soon passing 100% of the GDP.
In the early 1990s, Italy faced significant challenges, as voters – disenchanted with political paralysis, massive public debt and the extensive corruption