The Siege of Port Royal took place during the American Civil War in 1861. Union forces aimed to capture the strategic port in South Carolina, which was vital for Confederate supply lines. The siege began in late 1861 and involved naval bombardments and ground assaults by Union troops. After several months of fighting, the Union successfully captured Port Royal in November 1861. This victory allowed the Union to establish a base for further operations in the South and significantly disrupted Confederate logistics. The siege marked an important early success for the Union in the war, showcasing their naval and military capabilities.