The brothers Bandiera, sons of Baron Bandiera, an admiral in the Austrian navy, were themselves members of that service, but at an early age they were won over to the ideas of Italian freedom and unity, and corresponded with Giuseppe Mazzini and other members of the Giovane Italia (Young Italy), a patriotic and revolutionary secret society.
From early manhood a disciple of Mazzini and affiliated to the Giovane Italia, he took an active part in the Mazzinian conspiracies and was nearly captured by the Austrians while smuggling arms into Milan.
Cian, L'Immigrazione dei Gesuiti spagnuoli letterati in Italia (Torino, 1895).
His style is clear and vigorous, and not unfrequently terse and epigrammatic. He published Quattro Novelle in 1829; Storia d'Italia sotto i Barbari in 1830; Vita di Dante, 1839; Meditazioni Storiche, 1842-1845; Le Speranze d'Italia, 1844; Pensieri sulla Storia d'Italia, 1858; Della Monarchia rappresentativa in Italia (Florence, 1857).
In the one field his labours are represented by his Storia Pittorica della Italia, the first portion of which, containing the Florentine, Sienese, Roman and Neapolitan schools, appeared in 1792, the rest in 1796.