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 notified Governor Pickens that "an attempt will be made to supply Fort Sumter with provisions only, and that if such attempt be not resisted, no effort to throw in men, arms, or ammunition will be made without further notice, [except] in case of an attack on the fort." Lincoln's notification had been made to the governor of South Carolina, not the new Confederate government, which Lincoln did not recognize. Pickens consulted with Beauregard, the local Confederate commander. Soon President Davis ordered Beauregard to repeat the demand for Sumter's surrender, and if it did not, to reduce the fort before the