The first Greek-letter society in America was formed when Phi Beta Kappa was founded by five students at the College of William & Mary on December 5, 1776. The Phi Beta Kappa members took an oath of secrecy with an objective to foster friendship, morality and literature. In 1780 a decision to expand the fraternity to other colleges began and a second chapter was formed at Yale. While expansion continued, a popular movement opposing secret societies influenced the chapter at Harvard to remove all of the vestiges of secrecy in 1831. This caused the fraternity to evolve into a purely honorary society that recognizes academic achievement. Although Phi Beta Kappa does not compete with social fraternities today, it is considered to be the forefather of the whole fraternity system.
In 1824 at the College of New Jersey, renamed Princeton University in 1896, another secret society was organized which bore the name Chi Phi Society. The faculty quickly abolished this group and the name disappeared. Chi Phi Society would form again in 1854 and later merged with two other independent groups named Chi Phi.
The birthplace of the Greek-letter system really began in 1825 at Union College in Schenectady, New York. The establishment of a Phi Beta Kappa chapter there in 1817 encouraged a group of men to form a competing fraternity when the Kappa Alpha Society was established on November 26, 1825. While this new fraternity adopted many of the practices of Phi Beta Kappa, it clearly made fellowship its primary purpose making it the first social fraternity in the nation.
Despite meeting with much opposition, Kappa Alpha Society became secretly popular with the students and was imitated in 1827 by the formation of Sigma Phi and Delta Phi. These three fraternities became known as the “Union Triad”. Of these, Sigma Phi was the first to expand to another college when a second chapter was established at Hamilton College in Clinton, New York in 1831 making Sigma Phi Society the first “National” fraternity. Union College is also where three additional fraternities were created. Psi Upsilon, fifth oldest fraternity (1833); Chi Psi (1841) and Theta Delta Chi (1847) making Union the birthplace of six fraternities, the most of any college.
THE UNION TRIAD
Kappa Alpha Society (1825)
Sigma Phi Society (1827)
Delta Phi (1827)
The fourth oldest fraternity to organize was Alpha Delta Phi when it was formed at Hamilton College in 1832, the year after Sigma Phi had planted a chapter there Alpha Delta Phi has the distinction of being the first fraternity to expand to the midwestern states when they chartered their second chapter in 1835 at Miami University in Ohio. Four years later Beta Theta Pi was formed at Miami to challenge Alpha Delta Phi. That was followed with the formation Phi Delta Theta and Sigma Chi. These three fraternities became known as the “Miami Triad” as they quickly established chapters throughout the western states as well as the South and grew into large national fraternities.
Beta Theta Pi (1839)
Phi Delta Theta (1848)
Sigma Chi (1855)