| Term | Definition |
| April, 1861 | (Date) Ft. Sumter |
| July, 1861 | (Date) Battle of Battle of Bull Run/ Manassas |
| June-July, 1862 | (Date) 7 Days' Battle |
| August, 1862 | (Date) 2nd Battle of Bull Run/ Manassas |
| September, 1862 | (Date) Battle of Antietam/ Sharpsburg |
| March, 1862 | (Date) Monitor v. Merrimack (VA) |
| April, 1862 | (Date) Battle of Shiloh |
| Spring, 1863 | (Date) Siege of Vicksburg |
| March, 1862 | (Date) Battle of Pea Ridge/ Elkhorn Tavern |
| December, 1862 | (Date) Battle of Fredericksburg |
| April-May 1863 | (Date) Battle of Chancellorsville |
| July 1-3, 1863 | (Date) Battle of Gettysburg |
| April, 1865 | (Date) End of War |
| Anderson | (Union guy) Ft. Sumter |
| McDowell | (Union guy) Battle of Bull Run/ Manassas |
| Little Mac | (Union guy) 7 Days' Battle |
| Pope | (Union guy) 2nd Battle of Bull Run/ Manassas |
| Little Mac | (Union guy) Battle of Antietam/ Sharpsburg |
| Monitor | Union ship in Monitor v. Merrimack |
| Grant | (Union guy) Battle of Shiloh |
| Grant | (Union guy) Siege of Vicksburg |
| Samuel Curtis (Karnes) | (Union guy) Battle of Pea Ridge/ Elkhorn Tavern |
| Burnside | (Union guy) Battle of Fredericksburg |
| Hooker | (Union guy) Chancellorsville |
| Meade | (Union guy) Battle of Gettysburg |
| Grant and Meade | (Union guys) 1st battle in Wilderness Campaign |
| Grant | (Union guy) Battle of Cold Harbor |
| Grant | (Union guy) Petersburg Siege |
| Grant | (Union guy) End of War |
| PGT Beauregard | (CSA guy) Ft. Sumter |
| Stonewall | (CSA guy) Battle of Bull Run/ Manassas |
| Lee | (CSA guy) 7 Days' Battle |
| Lee and Stonewall | (CSA guys) 2nd Battle of Bull Run/ Manassas |
| Lee | (CSA guy) Battle of Antietam/ Sharpsburg |
| Merrimack | CSA ship in Monitor v. Merrimack |
| Johnson | (CSA guy) Battle of Shiloh |
| Van Dorn | (CSA guy) Battle of Pea Ridge/ Elkhorn Tavern |
| Lee and Stonewall | (CSA guys) Chancellorsville |
| Lee and Pickett | (CSA guys) Battle of Gettysburg |
| Lee | (CSA guy) End of War |
| Ft. Sumter | Began Civil War |
| Battle of Bull Run/ Manassas | Confederates might've captured US capital if not so disorganized; ended Union hopes of easy win |
| 7 Days' Battle | 5 battles fought in Richmond over 7 days |
| 2nd Battle of Bull Run/ Manassas | Pushed all Union out of Virginia |
| Battle of Antietam/ Sharpsburg | Bloodiest 1-day battle in war; stopped Lee's northward advance |
| Monitor v. Merrimack | 1st naval battle between ironclad ships |
| Battle of Shiloh | Union won greater control of Mississippi River Valley; 1st major Battle |
| Siege of Vicksburg | Gave Union complete control of Mississippi; split CSA in 2 |
| Battle of Pea Ridge/ Elkhorn Tavern | Gave Union upper hand in MO |
| Battle of Fredericksburg | Pyrrhic Victory for CSA |
| Chancellorsville | Stonewall shot accidentally by his own men |
| End of War | Appomatox Courthouse; Palm Sunday, April 9; 620K dead in War |
| Loss | (Union Win or Loss) Ft. Sumter |
| Loss | (Union Win or Loss) Battle of Bull Run/ Manassas |
| Loss | (Union Win or Loss) 7 Days' Battle |
| Loss | (Union Win or Loss) 2nd Battle of Bull Run/ Manassas |
| Win | (Union Win or Loss) Battle of Antietam/ Sharpsburg |
| Win | (Union Win or Loss) Monitor v. Merrimack |
| Win | (Union Win or Loss) Battle of Shiloh |
| Win | (Union Win or Loss) Siege of Vicksburg |
| Win | (Union Win or Loss) Battle of Pea Ridge/ Elkhorn Tavern |
| Loss | (Union Win or Loss) Battle of Fredericksburg |
| Loss | (Union Win or Loss) Chancellorsville |
| Win | (Union Win or Loss) End of War |