Fort Pulaski

Construction of a fort to protect the port of Savannah began in 1829 under the direction of Major General Babcock and later Second Lieutenant Robert E. Lee, a recent graduate of West Point. The new fort would be on Cockspur Island, at the mouth of the Savannah River. In 1833, the facility was named Fort Pulaski in honor of Casimir Pulaski, a Polish soldier and military commander who fought during the American Revolution under the command of George Washington. 

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Fort Pulaski belonged to what is known as the Third System of coastal fortifications, which were characterized by greater structural durability than the earlier works. Most of the nearly 30 Third System forts built after 1816 still exist along the Atlantic and the Gulf Coasts.

Though completed in 1847, Fort Pulaski was under the control of only two caretakers until 1860, when South Carolina seceded from the United States and set in motion the Civil War. Georgia Governor Joseph E. Brown ordered Fort Pulaski to be taken by his state. A steamship carrying 110 men from Savannah traveled downriver, and the fort was seized by the state. After the secession of Georgia in February 1861, the state joined the Confederate States of America, and Confederate troops moved into the fort. By December 1861, Tybee Island was thought to be too isolated and unprepared for conflict and so was abandoned by Confederate forces. This allowed Union troops to gain a foothold across the Savannah River from Fort Pulaski. Union forces, under Quincy A. Gillmore, began constructing batteries along the beaches of Tybee Island.

 

On the morning of April 10, 1862, Union forces asked for the surrender of the Fort to prevent needless loss of life. Colonel Charles H. Olmstead, commander of the Confederate garrison, rejected the offer.

Fort Pulaski was prepared for a possible infantry attack, but it never endured a direct land assault. Using 36 guns, including the new James Rifled Cannon and Parrott rifles, Union troops began the long bombardment of Fort Pulaski. The rifled projectiles could be accurately fired farther (4–5 miles) than the larger and heavier smoothbore cannonballs. Within 30 hours, the new rifled cannon had breached one of the fort's corner walls. Shells now passed through the fort dangerously close to the main powder magazine. Reluctantly, Colonel Olmstead surrendered the fort. Only two soldiers (one Confederate and one Union) were injured in the attack. Olmstead's decision to surrender haunted him for decades.

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Gillmore succeeded almost entirely because of his rifled cannon, which caused massive damage in the walls of the fort.
Within six weeks of the surrender, Union forces repaired the fort, and all shipping into and out of Savannah ceased.