- Andres Bonifacio founded the secret revolutionary society called the Katipunan in 1892 with the goal of gaining independence from Spain through armed revolution. - The Katipunan grew rapidly using a triangle recruitment system and monthly member dues. It established a governing structure from the Supreme Council down to local councils. - When the Katipunan was discovered by Spanish authorities in 1896, Bonifacio called members to an meeting where he urged them to tear up their identity papers and launch a revolution, marking the beginning of the Philippine Revolution.