The Blackshirts were Fascist

Italian Fascism

Italian Fascism also known as Fascism with a capital "F" refers to the original fascist ideology in Italy. This ideology is associated with the National Fascist Party which under Benito Mussolini ruled the Kingdom of Italy from 1922 until 1943, the Republican Fascist Party which ruled the Italian...

 paramilitary

Paramilitary

A paramilitary is a force whose function and organization are similar to those of a professional military, but which is not considered part of a state's formal armed forces....

 groups in Italy

History of Italy as a monarchy and in the World Wars

This articles covers the history of Italy as a monarchy and in the World Wars.-Italian unification :Modern Italy became a nation-state during the Risorgimento on March 17, 1861 when most of the states of the Italian Peninsula and the Kingdom of the Two Sicilies were united under king Victor...

 during the period immediately following World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 and until the end of World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. Blackshirts were officially known as the Voluntary Militia for National Security (Milizia Volontaria per la Sicurezza Nazionale, or MVSN).

The term was later applied to a similar group serving the British Union of Fascists

British Union of Fascists

The British Union was a political party in the United Kingdom formed in 1932 by Sir Oswald Mosley as the British Union of Fascists, in 1936 it changed its name to the British Union of Fascists and National Socialists and then in 1937 to simply the British Union...

 before World War II, to the SS in Nazi Germany, and to members of a quasi-political organization in India

Blackshirts (India)

Blackshirts are members of the anti-religious atheist quasi-political organization Dravidar Kazhagam in Tamil Nadu, founded by "Periyar" E V Ramasamy. The members wear black shirts to mock and protest the saffron vestments of Hindu religious leaders, and sadhus as black is generally associated with...

.
Inspired by the military prowess and black uniforms of the Arditi

Arditi

Arditi was the name adopted by Italian Army elite storm troops of World War I. The name derives from the Italian verb Ardire and translates as "The Daring Ones"....

, Italy's elite storm troops of World War I, the Fascist

Fascism

Fascism is a radical authoritarian nationalist political ideology. Fascists seek to rejuvenate their nation based on commitment to the national community as an organic entity, in which individuals are bound together in national identity by suprapersonal connections of ancestry, culture, and blood...

 Blackshirts were organized by Benito Mussolini

Benito Mussolini

Benito Amilcare Andrea Mussolini was an Italian politician who led the National Fascist Party and is credited with being one of the key figures in the creation of Fascism....

 as the military tool of his political movement.