Sigma Lambda Beta International Fraternity, Incorporated (ΣΛΒ) (known as Betas, Lambda Betas or SLB) is a historically Latino based fraternity in the United States, now expanded to include a multicultural membership. Founded in 1986 at the University of Iowa, in Iowa City, Iowa the primary purpose of Sigma Lambda Beta is to promote Latino culture based upon the values of fairness, opportunity, and equality. The four principles are Brotherhood, Scholarship, Community Service, and Cultural Awareness.