 Early in the 20th century, the first agricultural high school in Mississippi opened in the unincorporated community of Buena Vista.Cully Cobb, a pioneer of southern agriculture, long-term farm publisher, and an official of the Agricultural Adjustment Administration in Washington, D.C., was the superintendent of the school from 1908–1910.The Mississippi state legislature created Chickasaw County in 1836, following the cession of the land by the Chickasaw Indians.