Complex sentence: In 1830, the Belgian Revolution led to the separation of the Southern Provinces from the Netherlands and the establishment of a Catholic and bourgeois, officially French-speaking and neutral, independent Belgium under a provisional government and a national congress.
Split into simpler sentences: In 1830, the Belgian Revolution led to the separation of the Southern Provinces from the Netherlands. This led to the establishment of a Catholic and bourgeois, officially French-speaking and neutral, independent Belgium under a provisional government and a national congress.