The bombardment of Fort Sumter began on April 12, 1861.

The bombardment of Fort Sumter commenced on April 12, 1861, signaling the official beginning of the American Civil War. This crucial event unfolded when Confederate forces launched an assault on the Union-held fort situated in Charleston Harbor, South Carolina. The attack came after a prolonged standoff and highlighted the growing tensions between the North and South regarding issues like slavery and states' rights. The bombardment continued for 34 hours, culminating in the surrender of Union Major Robert Anderson and his men. This significant moment energized both factions, paving the way for a conflict that would transform the United States.