 Enslaved African Americans formed the labor force, comprising a majority of the population in the antebellum years.Major large cotton plantations included Sunnyside (owned in the 20th century by LeRoy Percy, planter and US Senator from Greenville, Mississippi); Florence, Patria, Pastoria, Luna, and Lakeport.During the war, Union and Confederate forces fought at the Battle of Old River Lake from June 5 to June 6, 1864.