What action connected Major Anderson and General P.G.T. Beauregard?

Major Anderson and General P.G.T. Beauregard were connected primarily through the events leading up to the Battle of Fort Sumter in April 1861. Anderson, commanding the Union garrison at Fort Sumter, was under pressure from Beauregard, who commanded Confederate forces in Charleston, South Carolina. The conflict culminated when Beauregard ordered the bombardment of Fort Sumter, leading to its surrender by Anderson, marking the start of the Civil War.