Red shirts

Redshirts or Red coats is the name given to the volunteers who followed Giuseppe Garibaldi. He was an Italian revolutionary who unified Italy by conquering the Kingdom of the Two Sicilies in 1861.Frank W. Alduino; David J. Coles, Sons of Garibaldi in Blue and Gray: Italians in the American Civil War (Youngstown, NY: Cambria Press, 2007), pp. 29–30 
The name came from the color of their shirts.

 References 

Category:19th century in Italy