Sigma Phi
| Sigma Phi | |
|---|---|
| ΣΦ | |
| Founded | March 4, 1827 Union College |
| Type | Secret |
| Affiliation | Independent |
| Former affiliation | NIC |
| Status | Active |
| Scope | National |
| Motto | Esto Perpetua ("Let it be perpetual") |
| Member badge | |
| Colors | Azure and Argent |
| Publication | The Flame |
| Chapters | 7 |
| Headquarters | P.O. Box 57417 Tucson, Arizona 85732-7417 United States |
| Website | sigmaphi.org |
The Sigma Phi Society (ΣΦ) is an American college fraternity. Established in 1827 at Union College in Schenectady, New York, it was the second Greek letter fraternal organization founded in the United States. Sigma Phi was the first collegiate social fraternity to establish a chapter at another college, making it the first national fraternity. It was also a founding member of the National Interfraternity Conference, now the North American Interfraternity Conference. It is part of the Union Triad.