in full  Kataastaasan Kagalang-galang Na Katipunan Nang Manga Anak Nang Bayan  (“Supreme Worshipful Association of the Sons of the People”), Filipino nationalist organization founded in 1892 to oppose Spanish rule. The organization numbered anywhere from 100,000 to 400,000 members. The Filipino nationalist Emilio Aguinaldo was the leader of this group, which successfully fought the Spanish. Most of the members were Tagalogs.