Richmond also has an active Greek life with 15 national fraternities and sororities. The fraternities include Theta Chi (1915-1996, 2013-Present), Alpha Phi Alpha, Kappa Alpha Order, Delta Kappa Epsilon (2002-Present), Phi Gamma Delta (1890-Present), Lambda Chi Alpha (1918-1999, 2010-Present), Kappa Sigma (1898-Present), and the founding chapter of Sigma Phi Epsilon (1901-Present). The Upsilon Gamma chapter of Alpha Phi Alpha was the first historically black fraternity to be chartered on Richmond's campus. Unrecognized and inactive fraternities include Sigma Alpha Epsilon (1884-2015), Sigma Chi (1958-2019), and Phi Delta Theta (1875-At least 2005/Inactive). The sororities are Alpha Kappa Alpha, Delta Sigma Theta, Delta Delta Delta, Delta Gamma, Kappa Alpha Theta, Kappa Delta, Kappa Kappa Gamma, and Pi Beta Phi. About 50 percent of the women and over 30 percent of the men participate in the Greek system.