When did Mussolini fight the Socialists?

On November 21, 1920

Benito Mussolini and Leandro Arpinati led squads of fighters in the melee between Fascists and Socialists in Bologna, Italy.

This Day in History - November 21

1654

Freed black man Richard Johnson was granted 100 acres of land in the state of Virginia.

234 AD

Saint Anterus became the Bishop of Rome.

1980

MGM Grand Hotel and Casino, situated on Las Vegas Strip, caught fire, killing 85 people.

1676

Danish astronomer Ole Rømer presented the first measurements of the speed of light.

695 AD

Pope Sergius I consecrated Willibrord as bishop of the Frisians at the Church of Santa Cecilia in Trastevere in Rome, Italy.

What Happened on Nov 21?

What Happened in 1920?