Spain allied with France during the Seven Years' War, in opposition to Great Britain. The British in response sought to diminish the Spanish Empire. The seizure of Manila by British naval forces in October, 1762, and the subsequent surrender of the Spanish Philippines to Britain during the British occupation of the Philippines, inspired uprisings in the farthest north of Ilocos Norte and Cagayan, where anti-Spanish sentiments festered. Though Silang initially wanted to replace Spanish functionaries in the Ilocos with native-born officials and volunteered to head Ilocano forces against the British, desperate Spanish administrators instead transferred their powers to the Catholic Bishop of Nueva Segovia (Vigan), who rejected Silang's offer. Silang's group attacked the city and imprisoned its priests. He then began an association with the British who appointed him governor of the Ilocos on their behalf and promised him military reinforcement. The British force never materialized.
Arguably one of the most famous revolts in Philippine history is the Silang Revolt from 1762 to 1763, led by the couple of Diego Silang and Gabriela Silang. Unlike the other revolts, this revolt took place during the British invasion of Manila. On December 14, 1762, Diego Silang declared the independence of Ilocandia, naming the state "Free Ilocos" and proclaimed Vigan the capital of this newly independent state. The British heard about this revolt in Manila and even asked the help of Silang in fighting the Spanish. However,