On April 12, 1861, a Confederate commander informed the Union forces stationed at Fort Sumter, in the Charleston harbor, of his plans to attack. The Civil War began an hour later. President Lincoln immediately called for 75,000 volunteers. Four states from the upper South seceded over the following month. With Congress out of session, Lincoln led the military effort without congressional approval for nearly three months. In this speech to Congress, which convened on Independence Day, he depicts the Confederacy as a section of the Union in insurrection rather than a foreign nation requiring a declaration of war. Read more