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 Sumter became critical, President Lincoln ordered a relief expedition, to be commanded by former naval captain (and future Assistant Secretary of the Navy) Gustavus V. Fox, who had proposed a plan for nighttime landings of smaller vessels than the "Star of the West". Fox's orders were to land at Sumter with supplies only, and if he was opposed by the Confederates, to respond with the U.S. Navy vessels following and to then land both supplies and men. This time, Maj. Anderson was informed of the impending expedition, although the arrival date was not revealed to him. On April 6, Lincoln