[1] Together with his father, he took part in the Greco-Turkish War of 1897 alongside the Greeks and afterwards fought with the liberals against Cipriano Castro in Venezuela, and in other conflicts in South America.

He volunteered and served with great distinction in the British Army during the Second Boer War, carrying with him a sword given to his grandfather by the working men of Tyneside, England, in 1854.

Pancho Villa sacked Lt Col Garibaldi because of a bitter controversy over the credit for the victory at First Battle of Ciudad Juárez in 1911, but the name of the plaza (formerly Pila de la Habana) stuck nonetheless, despite the way he left the Army of the Revolution.

At the outbreak of World War I, Garibaldi joined the French army at the head of the 4e régiment de marche du 1er étranger[3] and later fought on the Italian front for Italy.

Garibaldi opposed the National Fascist Party régime of Benito Mussolini which came to power in 1922 (while his younger brother Ezio favored it).