Delta Chi (ΔΧ) is an international collegiate social fraternity. It was formed in 1890 at Cornell University as a professional fraternity for law students, becoming a social fraternity in 1922. In 1929. Delta Chi became one of the first international fraternities to abolish "hell week". It is a charter member of the North American Interfraternity Conference (NIC). Delta Chi has initiated over 116,000 members at over 110 chapters.