The Unitary Socialist Party (''Partito Socialista Unitario'', PSU) was a

democratic socialist Democratic socialism is a left-wing political philosophy that supports political democracy and some form of a socially owned economy, with a particular emphasis on economic democracy, workplace democracy, and workers' self-management within ...

political party in Italy, active from 1922 to 1930.

History

The party was founded in November 1922 by the

reformist Reformism is a political doctrine advocating the reform of an existing system or institution instead of its abolition and replacement. Within the socialist movement, reformism is the view that gradual changes through existing institutions can ...

wing of the

Italian Socialist Party The Italian Socialist Party (, PSI) was a Socialism, socialist and later Social democracy, social-democratic List of political parties in Italy, political party in Italy, whose history stretched for longer than a century, making it one of the l ...

(PSI) led by

Rinaldo Rigola Rinaldo Rigola (2 February 1868 – 10 January 1954) was an Italian socialist politician who served as the founding secretary general of the General Confederation of Labour in 1906. Biography Rigola was born in Biella 2 February 1868. He was a ...

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 ...

and

Giacomo Matteotti Giacomo Matteotti (; 22 May 1885 – 10 June 1924) was an Italian socialist politician. On 30 May 1924, he openly spoke in the Italian Parliament alleging the Fascists committed fraud in the recently held elections, and denounced the violence ...

, after they had been expelled in October. A staunch opponent of Benito Mussolini and

Fascism Fascism is a far-right, authoritarian, ultra-nationalist political ideology and movement,: "extreme militaristic nationalism, contempt for electoral democracy and political and cultural liberalism, a belief in natural social hierarchy an ...

, Matteotti was assassinated by Fascists, affiliated to ''

OVRA The OVRA, whose most probable name was Organization for Vigilance and Repression of Anti-Fascism ( it, Organizzazione per la Vigilanza e la Repressione dell'Antifascismo), was the secret police of the Kingdom of Italy, founded in 1927 under the ...

'', in June 1924. The event provoked the Aventine Secession. Outlawed in November 1925, the PSU became active in clandestinity, as the Italian Workers' Socialist Party (''Partito Socialista dei Lavoratori Italiani'', PSLI). In June 1930 the PSLI re-joined the PSI. Leading members and activists of the party included Oddino Morgari,

Sandro Pertini Alessandro "Sandro" Pertini (; 25 September 1896 – 24 February 1990) was an Italian socialist politician who served as the president of Italy from 1978 to 1985. Early life Born in Stella ( Province of Savona) as the son of a wealthy landow ...

, Camillo Prampolini,

Claudio Treves Claudio Treves (24 March 1869 – 11 June 1933) was an Italian politician and journalist. Life Youth Claudio Treves was born in Turin into a well off assimilated Jewish family. As a student he participated in the Radical milieu of Turin and, ...

and Anna Kulischov. The party was a member of the Labour and Socialist International between 1923 and 1930.Kowalski, Werner. (1985).
Geschichte der sozialistischen arbeiter-internationale: 1923 - 19
'. Berlin: Dt. Verl. d. Wissenschaften.

Electoral results

References

{{Authority control Political parties established in 1922 Defunct political parties in Italy Defunct social democratic parties in Italy Political parties disestablished in 1930 Members of the Labour and Socialist International 1922 establishments in Italy Anti-fascist organisations in Italy