The Italian Workers' Party (''Partito Operaio Italiano'', POI) was a

socialist Socialism is a left-wing economic philosophy and movement encompassing a range of economic systems characterized by the dominance of social ownership of the means of production as opposed to private ownership. As a term, it describes the e ...

political party in Italy This article contains a list of political parties in Italy since Italian unification in 1861. Throughout history, numerous political parties have been operating in Italy, and since World War II no party has ever gained enough support to govern ...

. It was founded in 1882 in

Milan Milan ( , , Lombard: ; it, Milano ) is a city in northern Italy, capital of Lombardy, and the second-most populous city proper in Italy after Rome. The city proper has a population of about 1.4 million, while its metropolitan city h ...

by Giuseppe Croce and

Costantino Lazzari Costantino Lazzari (1 January 1857, Cremona – 29 December 1927, Rome) was an Italian politician. He was one of the founders and main leaders of the Italian Socialist Party. Biography Costantino Lazzari was born in Cremona, on 1 January 1857. ...

and was supported externally by the Milanese Socialist League of

Filippo Turati Filippo Turati (; 26 November 1857 – 29 March 1932) was an Italian sociologist, criminologist, poet and socialist politician. Early life Born in Canzo, province of Como, he graduated in law at the University of Bologna in 1877, and participa ...

. In 1892 the party was merged with the

Italian Revolutionary Socialist Party The Italian Revolutionary Socialist Party (''Partito Socialista Rivoluzionario Italiano'', PSRI) was a socialist political party in Italy. It was founded in 1881 as Revolutionary Socialist Party of Romagna by Andrea Costa, a former anarchist conv ...

Andrea Costa Andrea is a given name which is common worldwide for both males and females, cognate to Andreas, Andrej and Andrew. Origin of the name The name derives from the Greek word ἀνήρ (''anēr''), genitive ἀνδρός (''andrós''), that ref ...

and the Socialist League to form the

Italian Socialist Party The Italian Socialist Party (, PSI) was a socialist and later social-democratic political party in Italy, whose history stretched for longer than a century, making it one of the longest-living parties of the country. Founded in Genoa in 1892, ...

, led by Filippo Turati.Massimo L. Salvadori, ''Enciclopedia storica'', Zanichelli,

Bologna Bologna (, , ; egl, label= Emilian, Bulåggna ; lat, Bononia) is the capital and largest city of the Emilia-Romagna region in Northern Italy. It is the seventh most populous city in Italy with about 400,000 inhabitants and 150 different nat ...

2000 In 1892 the party joined the new "Party of Italian Workers" (''Partito dei Lavoratori Italiani''), which changed its name in 1893 to "Socialist Party of Italian Workers" (''Partito Socialista dei Lavoratori Italiani'') and in 1895 to

(''Partito Socialista Italiano'').

References

1882 establishments in Italy 1892 disestablishments in Italy Defunct political parties in Italy Defunct socialist parties in Italy Political parties disestablished in 1892 Political parties established in 1882 {{Italy-party-stub