Beta Nu Chapter was founded at Ohio State University in Columbus, Ohio on October 12, 1888.
Initially, the fraternity custom was to name a new chapter after a closed one, so that all 24 letters of the Greek alphabet were always in use. Because of this custom, the Chapter is called simply Nu in early records. This practice ended in 1890 when Convention delegates voted to affix Beta to the name of a chapter to indicate it was the second and to affix Gamma on the second round, then Delta, and so on. The chapter at Ohio State was the second chapter to be known as Nu and, after 1890, it became known as Beta Nu.