What is the Boule Foundation and how were they allowed to create such organizations in the time period when “jim crow laws” and when racism was at its highest peak? In 1904, the first African-American Greek Secret Society was formed in Philadelphia, by Dr. Henry Minton and five of his colleagues. The Boule (an acronym for Sigma Pi Phi) and pronounced “boo-lay”) was formed to bring together a select group of educated Black men and women. What is Sigma Pi Phi fraternity? Sigma Pi Phi (ΣΠΦ) is the first successful and oldest African-American Greek-lettered organization. Sigma Pi Phi was founded in Philadelphia, Pennsylvania, on May 15, 1904. The fraternity quickly established chapters (referred to as “member boulés”) in Chicago, Illinois and then Baltimore, Maryland.