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 in Charleston's harbor, including Fort Sumter and Fort Moultrie, which were not among the sites seized initially. Fort Moultrie on Sullivan Island was the oldest—it was the site of fortifications since 1776—and was the headquarters of the U.S. Army garrison. However, it had been designed as a gun platform for defending the harbor, and its defenses against land-based attacks were feeble; during the crisis, the Charleston newspapers commented that sand dunes had piled up against the walls in such a way that the wall could easily be scaled. When the garrison began clearing away the dunes, the papers objected. Major