dec 26, 1829 - Fort Sumter was constructed in 1829.
In the opening battle of the Civil War (April 12, 1861), it was surrendered to the confederates who occupied it from 1861 to 1865
http://www.history.com/topics/american-civil-war/fort-sumter
https://www.smithsonianmag.com/history/fort-sumter-the-civil-war-begins-1018791