The History of Gamma Sigma Fraternity

1863 Rev. Edward Allen Tanner, principal of Tualatin Academy and member of the original Lyceum, helps students organize Gamma Sigma Literary Society. — Gamma Sigma history

Gamma Sigma Fraternity, the first fraternity west of the Mississippi, celebrates its 150th anniversary in 2013.

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Click the photo to start a slideshow of the organization's history.