This cause was fought for during the Ten Days Campaign, which was sparked by hearing the aria "Sacred Love of Fatherland" during a performance of The Mute Girl of Portici.
One diehard opponent of this cause was the former "Terror of the Bandits" in Java who refused to surrender his ship to this cause's proponents, instead screaming "I'd rather be blown up than--" while throwing his lit cigar into a barrel of gunpowder and blowing up his ship with all aboard. An army fighting for this cause was defeated at Leuven and Hasselt, and this cause's success led to the birth of an irredentist movement called Orangism. This cause was fought for during the Ten Days Campaign, which was sparked by hearing the aria "Sacred Love of Fatherland" during a performance of The Mute Girl of Portici. A longer-term resentment leading to this cause was the periodic attempt to impose Dutch as an official language on the Walloons. For 10 points, identify this cause which was secured in 1830 by the accession of Leopold I to the throne of a new Low Country.
One diehard opponent of this cause was the former "Terror of the Bandits" in Java who refused to surrender his ship to this cause's proponents, instead screaming "I'd rather be blown up than--" while throwing his lit cigar into a barrel of gunpowder and blowing up his ship with all aboard.
{Belgian independence} [or the {independence of Belgium} or the {formation of Belgium}, etc.]