Abraham Lincoln issues a proclamation warning southerners to stop aiding and abetting the Confederacy or risk having their property, including slaves, confiscated by military force.
The second session of the first Republican-dominated Congress opened with many intent on destroying slavery as a means to win the war.
Abraham Lincoln reluctantly signs a bill into law allowing Federal commanders to seize slaves from people supporting the Confederacy.
The U.S. Congress begins debating on how to pay for the war, while the anti-war minority makes its voice heard.
Congress has just one last compromise proposal to consider, as more and more people are becoming convinced that disunion is inevitable.
President-elect Lincoln continues trying to assure southerners that he will not interfere with the affairs within their states, at the same time downplaying the notion that the South might actually leave the Union.