Fort Barrancas mostly by enslaved African-American workers. January 8, 1861, more than three months before the American Civil War officially started at Fort Sumter, South Carolina, a company of 50 U.S. Army soldiers stationed at Fort Barrancas, under the command of John H. Winder fired upon a militia. This militia was Florida state troops under Colonel William Henry Chase demanding that the U.S. troops surrender the fort. Lieutenant Adam J. Slemmer, acting commander in Winder's absence, had the troops fire shots meant to repel the militia. Lt Slemmer knew that Fort Pickens was easier to defend, so he spiked the guns at
Battle of Fort Sumter shall await the first shot, and if you do not batter us to pieces, we shall be starved out in a few days." The aides returned to Charleston and reported this comment to Beauregard. At 1 a.m. on April 12, the aides brought Anderson a message from Beauregard: "If you will state the time which you will evacuate Fort Sumter, and agree in the meantime that you will not use your guns against us unless ours shall be employed against Fort Sumter, we will abstain from opening fire upon you." After consulting with his senior officers, Maj. Anderson replied that