The Upsilon Sigma Phi which was founded in 1918, is the oldest fraternity in Asia. Based in the University of the Philippines, it has had an unbroken and singular association with the premier state university. There are no chapters outside of UP Diliman, and UP Los Banos. Among its ranks, National Hero Benigno 'Ninoy' Aquino, and former President Ferdinand E. Marcos are most well known.