Fraternity and Sorority Life began University of Wyoming in the early 1900s as an opportunity for men and women to support one another while providing a greater benefit to the University - something that still exists to this day.
All photos were provided through the American Heritage Center Digital Collections,The University of Wyoming Wyo Yearbooks through UW Digital Libraries, and The Chisum Reading Room in COE Library.
1903: Sigma Beta Phi founded
1905: Alpha Omicron founded
1906: Delta Theta Kappa Founded
1910: Zeta Xi founded
1910: Alpha Omicron becomes Pi Beta Phi
The local fraternity Sigma Beta Phi was founded and became the first fraternity at the University of Wyoming
Local sorority Alpha Omicron is founded at the University of Wyoming and is the first sorority on campus.
Local fraternity Delta Theta Kappa is founded in 1906. (Photo from 1909)
Zeta Xi became the second local sorority at UW.
Local sorority Alpha Omicron becomes Wyoming Alpha chapter of the national sorority Pi Beta Phi September 8th, 1910 which was nationally founded on April 28, 1867 at Monmouth College in Monmouth, Illinois.
1913: Zeta Xi becomes Delta Delta Delta
1913: Delta Theta Kappa becomes Alpha Tau Omega
1913: Sigma Rho founded
1914: Sigma Rho becomes Kappa Delta
1916: Gamma Theta Chi founded
1916: Interfraternity Council formed
1917: Sigma Beta Phi becomes Sigma Alpha Epsilon
1917: Panhellenic founded
1920: Gamma Theta Chi becomes Sigma Nu
1920: Gamma Zeta Founded
Local sorority Zeta Xi becomes national sorority, Delta Delta Delta, Theta Eta chapter on February 13th. Delta Delta Delta was founded on Thanksgiving Eve 1888 at Boston University in Boston, Massachusetts.
Delta Theta Kappa adopts national fraternity Alpha Tau Omega, becoming the Wyoming Gamma Psi chapter and the first national fraternity on campus. Alpha Tau Omega was founded on September 11, 1865 at the Virginia Military Institute.
Local sorority Sigma Rho is formed.
Sigma Rho adopts the Rho chapter of national sorority Kappa Delta on May 16th. Kappa Delta was founded on October 23, 1897 at the State Female Normal School in Farmville, Virginia.
Local fraternity Gamma Theta Chi founded on October 23rd.
In 1916, the Interfraternity Council was first pictured in UW yearbooks. IFC was made up of representatives from each fraternity and sorority.
The Wyoming Alpha chapter of Sigma Alpha Epsilon is formed from local fraternity on January 29th. Sigma Alpha Epsilon was founded at the University of Alabama in Tuscaloosa, Alabama on March 9, 1956.
Panhellenic was composed of three delegates from each sorority, which came into existence at the University of Wyoming in 1917.
Local fraternity becomes Epsilon Delta chapter of national fraternity Sigma Nu. Sigma Nu was founded in Lexington, Virginia on January 1, 1869.
Local sorority Gamma Zeta was founded on November 9,1920.
1921: Kappa Sigma founded
1924: Independent Club founded
1927: Gamma Zeta becomes Kappa Kappa Gamma Founded
1927: Delta Phi Sigma Founded
1927: Pi Omega Founded
1930: Delta Phi Sigma becomes Alpha Chi Omega
1930: Independent Club becomes Sigma Chi
1930: Pi Beta Phi Built on Sorority Row
National fraternity Kappa Sigma, Delta Gamma chapter, was founded at the University of Wyoming on September 10th. Nationally Kappa Sigma was founded at the University of Virginia on December 10, 1869.
Local fraternity, The Independent Club, was founded.
On February 25th, the local sorority Gamma Zeta becomes the Gamma Omicron Chapter of the national sorority Kappa Kappa Gamma. Kappa Kappa Gamma was nationally founded at Monmouth College in Monmouth, Illinois on October 13, 1870.
Local sorority at the University of Wyoming.
Local sorority founded at the University of Wyoming.
Local sorority adopts national sorority Alpha Chi Omega becoming the Wyoming Beta Kappa chapter. Alpha Chi Omega was founded at DePauw University in Greencastle, Indiana on October 15, 1885.
The Gamma Xi chapter of Sigma Chi was founded in October, one day after Alpha Chi Omega. Sigma Chi Fraternity was founded at Miami University in Oxford, Ohio on June 28, 1855.
The Pi Beta Phi house became the first chapter facility on what is now Sorority Row. Wilbur Hitchcock designed the house as well as many of the other buildings on campus.
1933: Pi Omega becomes Chi Omega
1934: Phi Delta Theta founded
1937: Lambda Tau Delta founded
1940: Alpha Kappa Iota founded
On November 28 the Psi Delta chapter of Chi Omega was formed from the local sorority Pi Omega. Chi Omega was founded at the University of Arkansas on April 5, 1985.
Founded on December 26, 1848 at Miami University, Phi Delta Theta was installed at the University of Wyoming in 1934. (Photo from 1940)
Local fraternity founded. (Photo from 1940)
Local fraternity joins UW campus.
1943: Lambda Tau Delta becomes Sigma Phi Epsilon
1947: Alpha Kappa Iota becomes Acacia
1947: Tau Epsilon Phi founded
1948: Lambda Chi Alpha founded
1949: Tau Kappa Epsilon founded
1951: Tau Epsilon Phi becomes FarmHouse
Local fraternity adopted the national fraternity Sigma Phi Epsilon and became the Wyoming Alpha chapter. Sigma Phi Epsilon was nationally founded at Richmond College on November 1, 1901.
Acacia was founded nationally at the University of Michigan in Ann Arbor Michigan on May 12, 1904. Alpha Kappa Iota became the Wyoming chapter of Acacia on April 19, 1947.
Local fraternity.
Lambda Chi Alpha created the Delta Rho chapter at the University of Wyoming after nationally being founded in Boston, Massachusetts at Boston College on November 2, 1909.
Tau Kappa Epsilon established the Gamma Alpha chapter at UW in 1949. Nationally, Tau Kappa Epsilon was founded on January 10, 1899 at Illinois Wesleyan University.
Local fraternity Tau Epsilon Phi became FarmHouse fraternity in October 22, 1951. FarmHouse was founded at the University of Missouri on April 5, 1905.
1960: Gamma Phi Beta founded
1964: Alpha Kappa Lambda founded
1965: Phi Gamma Delta founded
1968: Delta Sigma Phi founded
In 1960, national sorority Gamma Phi Beta created the Gamma Delta chapter at the University of Wyoming. Nationally, Gamma Phi Beta was founded at the University of Syracuse on November 11, 1874.
The fraternity Alpha Kappa Lambda, Alpha Iota chapter, was founded on May 24, 1964 after nationally being founded on April 22, 1914 at the University of California, Berkley.
Phi Gamma Delta was founded at Jefferson College in Canonsburg, Pennsylvania on May 1, 1848 and established at the University of Wyoming in 1965.
The Epsilon Mu chapter of the fraternity Delta Sigma Phi came to the University of Wyoming in 1968. Delta Sigma Phi was founded at Cite College of New York on December 10, 1899.
1982: Delta Gamma founded
1982: Delta Tau Delta Founded
1986: Pi Kappa Alpha Founded
1988: Alpha Gamma Rho Founded
Delta Gamma joined the UW campus in 1982 after nationally being founded in Oxford, Mississippi on December 25th, 1973.
Delta Tau Delta joined the University of Wyoming in 1982. Nationally Delta Tau Delta was founded at Bethany College in Bethany, West Virginia in 1858.
The Iota Alpha chapter of Pi Kappa Alpha joined the university in 1986. Nationally Pi Kappa Alpha was founded at the University of Virginia on March 1, 1868.
The Beta Omicron chapter of Alpha Gamma Rho was founded in 1988. On October 10, 1904 Alpha Gamma Rho was founded nationally at Ohio State University in Columbus, Ohio.
2005: Sigma Lambda Gamma Founded
2006: FarmHouse Returns
2011: Pi Kappa Phi Founded
2018: Kappa Sigma Returns
2018: Phi Sigma Rho Colonizes
2018: Alpha Sigma Phi Colonizes
2019: Alpha Phi Founded
Sigma Lamdba Gamma, a national Latin-based multicultural sorority, Lambda Gamma chapter came to the University of Wyoming in 2005 after being founded at the University of Iowa, in Iowa City, Iowa on April 9, 1990.
FarmHouse recolonized at the University of Wyoming on November 5, 2006. FarmHouse was originally founded at UW in October 1955.
The Iota Gamma chapter of Pi Kappa Phi was founded at UW on April 9th. At the College of Charleston in Charleston, South Carolina the national fraternity was founded on December 10th, 1904. (Photo from 2016)
Kappa Sigma gained their charter in 2018 after colonizing a few years prior. Kappa Sigma left the University in 1986.
Phi Sigma Rho, a social sorority for women in engineering and engineering technology, colonized at UW in 2018 and hope to gain their charter soon. Phi Sigma Rho was created at Purdue University on September 24, 1984.
Alpha Sigma Phi begins their first semester at the University of Wyoming. Alpha Sigma Phi was founded at Yale University in 1845 and is the 10th oldest fraternity in the United States.
The Kappa Iota chapter of Alpha Phi joined the university in 2019 and gained their charter August 29, 2020. Alpha Phi was founded at Syracuse University in 1872.