1864
| February 17 | U. S. S. "Housatonic" sunk by C. S. S. "H. L. Hunley" off Charleston, first sinking of a surface vessel by a submarine. |
| March 1 | Kilpatrick–Dahlgren Federal cavalry raid on Richmond. |
| April 8 | Battle of Sabine Crossing (Pleasant Hill), Louisiana. |
| April 12 | Forrest captures Fort Pillow, Tennessee. |
| April 19 | C. S. S. ram "Albemarle" attacks Federal squadron in North Carolina sounds and sinks U. S. S. "Southfield." |
| May 5 | Battle of the Wilderness begins. |
| May 8 | Battle of Spotsylvania. |
| May 12 | Battle of Drewry's Bluff. |
| May 14 | Battle of Resaca, Georgia. |
| May 15 | Battle of New Market, Virginia. |
| June 1 | Battle of Cold Harbor, Virginia. |
| June 10 | Battle of Brice's Crossroads. |
| June 19 | U. S. S. "Kearsarge" sinks C. S. S. "Alabama" off Cherbourg, France. |
| June 27 | Battle of Kennesaw Mountain. |
| July 11 | Jubal Early makes attack on Washington, D. C. |
| July 20 | Battle of Peachtree Creek, Georgia. |
| July 22 | Battle of Atlanta. |
| July 28 | Battle of Ezra Church, Georgia. |
| August 5 | Battle of Mobile Bay. |
| August 31 | Battle of Jonesboro, Georgia. |
| September 19 | Battle of Winchester, Virginia. |
| September 22 | Battle of Fisher's Hill, Virginia. |
| October 19 | Battle of Cedar Creek. |
| October 27 | C. S. S. ram "Albemarle" destroyed by Federal torpedo off Plymouth, North Carolina. |
| November 30 | Battle of Franklin, Tennessee. |
| December 15 | Battle of Nashville. |
| December 24 | Federal joint army–navy operation repulsed at Fort Fisher, North Carolina. |
1865
| January 15 | Fort Fisher falls to renewed Federal army–navy attack. |
| February 17 | Columbia, South Carolina, captured by Sherman, and burned. |
| February 17 | Charleston, South Carolina evacuated. |
| March 4 | Second Lincoln inaugural. |
| March 19 | Battle of Bentonville, North Carolina. |
| April 1 | Battle of Five Forks, Virginia. |
| April 2 | Battle of Selma, Alabama, Forrest's last stand. |
| April 6 | Battle of Sayler's Creek, Virginia. |
| April 9 | Lee surrenders to Grant at Appomattox. |
| April 14 | President Lincoln assassinated. |
| April 26 | Johnson surrenders to Sherman at Durham, North Carolina. |
| May 4 | Taylor surrenders all remaining Confederate troops east of the Mississippi at Citronelle, Alabama. |
| May 26 | Kirby Smith surrenders Trans-Mississippi area to Canny, ending organized resistance. |
| November 6 | C. S. S. "Shenandoah," last of sea raiders, surrenders to British authorities at Liverpool, England. |
