On November 4, 1834 on the second floor of West College, 30 men joined together in forming the group that would become the WIlliams Chapter and effectively founding Delta Upsilon Fraternity.
In the living quarters of East College, Francis Tappan, with Stephen Field and Lewis Lockwood, vowed to take a stand against secret groups at Williams College. The idea of an open fraternity was born.
The Delta Upsilon Fraternity was founded on November 4, 1834 when 30 men stood together against the oppressive, secret societies of Williams College.
After a move in 1820 to 10 W. 23rd Street, the central office of Delta Upsilon moved to 271 Madison Avenue in 1940 where it would remain, and conduct all fraternity business until 1969.
The Michigan Convention of 1882 determined the need for a central fraternity office. In 1883, administrative staff moved into the 840 block off Broadway in downtown Manhattan.
Before becoming the Chicago Hilton in 1951, the Stevens Hotel was site of the fraternity's 1933 convention. That year, Chicago also hosted the World's Fair, chaired by fraternity alumnus Rufus Dawes.
One of the first prominent hotels constructed after the fire of 1871, the Grand Pacific Hotel was the site where Standard Time was adopted in 1883 and the site of the fraternity convention in 1890.
Before it became apart of the Roosevelt University campus in 1947, the Auditorium Hotel was site of the 1904 fraternity Chicago convention.
