American Civil War: Battle of Mill Springs: The Confederacy suffers its first significant defeat in the conflict.

The Battle of Mill Springs, also known as the Battle of Fishing Creek in the Confederacy, and the Battle of Logan's Cross Roads or Battle of Somerset in the Union, was fought in Wayne and Pulaski counties, near the current unincorporated community of Nancy, Kentucky, on January 19, 1862, as part of the American Civil War. The Union victory concluded an early Confederate offensive campaign in south central Kentucky.

The Confederate States of America (CSA), also known as the Confederate States (C.S.), the Confederacy, or the South, was an unrecognized breakaway republic in the Southern United States from 1861 to 1865. It comprised eleven U.S. states that declared secession: South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, Texas, Virginia, Arkansas, Tennessee, and North Carolina. These states fought against the United States during the American Civil War.