Delta Upsilon, commonly known as DU, is a collegiate men's fraternity founded on November 4, 1834, at Williams College in Williamstown, Massachusetts. It is the sixth-oldest, all-male, college Greek-l
Delta Upsilon's mother chapter was founded in 1834 in the West College building (pictured) at Williams College.
Kōjirō Matsukata (bottom right), the son of Prince Matsukata, was initiated into Delta Upsilon at Rutgers University in 1885.
Chief Justice of the United States Charles Evans Hughes served as president of Delta Upsilon and oversaw its incorporation.
Stained glass at McGill University's Redpath Library shows St. George coated in the tabard of Delta Upsilon. It commemorates 23 McGill members of Delta Upsilon killed in World War I.
Psi Upsilon, commonly known as Psi U, is a North American fraternity, founded at Union College on November 24, 1833. The fraternity has chartered fifty chapters at colleges and universities throughout
Delta Upsilon
…sixth-oldest, all-male, college Greek-letter organization founded in North America (only Kappa Alpha Society, Sigma Phi, Delta Phi, Alpha Delta Phi, and Psi Upsilon predate). It is popularly and informally known as "DU" or "Delta U" and its members are called "DUs". Although historically found on the campuses of…
"Secret Society Buildings at Yale College", by Alice Donlevy ca. 1880. Pictured are: Psi Upsilon Left center: Skull & Bones (Russell Trust Association). Right center: Delta Kappa Epsilon. Bottom: Scroll and Key (Kingsley Trust Association)
Former Psi Upsilon building at Cornell