Sigma Alpha Mu (ΣΑΜ), also known as "Sammy", is a college fraternity founded at the City College of New York in 1909. Originally a Jewish-only organization, the fraternity became open to men of all faiths in 1953. Originally headquartered in New York, the national fraternity relocated its international headquarters to Indianapolis, Indiana. Since its inception, Sigma Alpha Mu has initiated more than 67,000 members at more than 130 active and inactive chapters and colonies across the United States and Canada.