The ladies in pink and green, who proudly proclaim their heritage as being members of the oldest African-American sorority, are gearing up for their annual Founders Day celebration. Members of the Alpha Kappa Alpha Sorority (AKA), Nu Rho Omega Chapter Inc. in Hinesville will hold an open Founders Day celebration at 3 p.m. Sunday, Jan. 25, at Baconton Missionary Baptist Church, 20 Tibet Road in Walthourville. The sorority was founded on the campus of Howard University in Washington, D.C., in 1908, according to aka1908.com, and is the oldest Greek-letter organization established by African-American college-trained women.