Panhellenic council established.ġ918: Sigma Kappa-Upsilon (the 9th oldest ΣΚ chapter) chartered March 17th, Gamma Phi Beta chapter established April 28th and Delta Delta Delta-Theta Mu chapter chartered December 7th. Lambda Chi Alpha-Alpha Lambda chapter chartered March 3rd. The establishment of these chapters created the first Panhellenic and Interfraternity Councils.ġ916: Alpha Tau Omega-Alpha Sigma chapter reestablished. Sigma Chi-Beta Pi chapter and Theta Chi-Sigma chapter charters.ġ917: Pi Beta Phi chapter established July 23rd, Chi Omega-Eta Alpha chapter chartered October 6th and Kappa Alpha Theta-Beta Epsilon chapter chartered November 10th. Shortly followed by Kappa Sigma and Sigma Alpha Epsilon- Oregon-Alpha national fraternities.

Information up to 2015 was compiled by Erika Bellingham, class of 2015ġ856: Corvallis Academy opens as the first community school in the area.ġ882: Alpha Tau Omega-Alpha Sigma chapter charters at Oregon Agricultural College (the chapter was closed 6 months after initial opening).ġ883: Corvallis Academy becomes renamed Oregon State Agricultural College.ġ905: Gamma Delta Phi became the first permanent Greek letter social organization on campus in April.ġ909: Gamma Sigma Delta: “The Honor Society of Agriculture' chapter established.ġ915: Alpha Chi Omega-Chi chapter chartered as the first national sorority at Oregon Agricultural College. Historical Timeline of Fraternities and Sororities at Oregon State University Fraternity and Sorority Alumni & Friends Group (FSFG).National Pan-Hellenic Council Sororities.National Pan-Hellenic Council Fraternities.National Pan-Hellenic Council (Divine Nine).Supporting Fraternity and Sorority Life with Your Gift.

Farmhouse Fraternity Creates a Home at Oregon State.Spring Term is a great time to join a Fraternity or Sorority!.

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