  phi sigma kappa (Î¦Î£k), colloquially known as phi sig, is a men's social and academic fraternity with approximately 90 active chapters and colonies in north america. some of its buildings are historically significant, and are pictured here. most of its first two dozen chapters were granted to schools in new england and pennsylvania, therefore its early development was strongly eastern in character, eventually operating chapters at six of the eight ivy league schools as well as more egalitarian state schools. it soon spread to the south and west with an effective expansion program. according to its constitution, phi sigma kappa is devoted to the promotion of its three cardinal principles: the promotion of brotherhood, the stimulation of scholarship, and the development of character. phi sigma kappa began on march 15, 1873 at massachusetts agricultural college in amherst (now the university of massachusetts amherst) by six sophomores, recognized as the founders. phi sigma kappa merged with phi sigma epsilon in 1985, in the largest successful merger of greek-letter fraternities in history. ==history== ===founding===  massachusetts agricultural college in amherst, now the university of massachusetts amherst, was the setting for the founding of phi sigma kappa. among its other students in the early 1870s, it had attracted six men of varied backgrounds, ages, abilities, and goals in life who saw the need for a new and different kind of society on campus. early members recalled that it was henry hague who suggested that, since the six were close and were not interested in either of the two local fra
1873_establishments_in_Massachusetts Fraternity_Leadership_Association North-American_Interfraternity_Conference Phi_Sigma_Kappa Student_societies_in_the_United_States