What was the secret society founded in 1896 that precipitated the glorious revolution against the Spaniards.?

The secret society founded in 1896 that played a crucial role in the revolution against Spanish colonial rule in the Philippines was the Katipunan. Founded by Andres Bonifacio, the Katipunan sought to gain independence through armed revolution and promoted ideals of nationalism and self-determination. Its activities sparked the Philippine Revolution, ultimately leading to the Declaration of Independence from Spanish rule in 1898.