By my count we've seen 22 engagements resulting in around 2,000 total casualties.
Winners: Confederates won four engagements in Virginia, no losses, the Union won six in West Virginia, one loss, in Missouri Confederates won three, the Union two.
At Corrick's Ford, CSA Gen. Garnett was killed.
At Scary Creek, CSA Lt.Col. George S. Patton (the father) was wounded.
| Date | Engagement | Military Units | Losses | Victor |
|---|---|---|---|---|
| April 12-14 | Fort Sumter, SC | Confederate artillery (Beauregard), Union garrison (Anderson) | None | CSA |
| April 15 | Evacuation of Fort Sumter, SC | Union garrison | Two Union soldiers killed, four wounded by accidental explosion | N.A. |
| April 19 | Baltimore Riots, MD | MA 6th, PA 26th vs secessionist crowd | 4 Union soldiers killed, 12 civilians killed, hundreds wounded | USA |
| May 10 | St. Louis Riots, MO | Union forces vs secessionist crowd | 4 Union soldiers killed, 3 prisoners, 28 civilians killed | USA |
| May 18-19 | Sewell's Point, VA | Union naval squadron vs Confederate shore artillery | 10 total | inconclusive |
| May 29- June 1 | Aquila Creek, VA | Union naval squadron vs Confederate shore artillery | 10 total | inconclusive |
| June 1 | Fairfax Court House, VA | detachments from CSA & USA armies | 8 on each side, 1 each killed | inconclusive |
| June 3 | Philippi, WVA | Union Dept of Ohio (McClellan) -3,000, CSA infantry (Porterfield) -800 | Union 4, CSA 26 (killed or wounded) | USA |
| June 10 | Big Bethel, VA | Union (Butler) -3,500, CSA (Magruder) -1,400 | Union 18-killed 53-wounded, CSA: 1-K 9-W | CSA |
| June 15 | Hooe's Ferry (near Mathias Point) VA | Union schooner Christina Keen; CSA Farmer's Fork Grays | none -- Christina Keen captured and burned | CSA |
| June 17 | Vienna, VA | Detachments from both Union & CSA armies | Union: 8 killed, 4 wounded; CSA: none reported | CSA |
| June 17 | Boonville, MO | Union Western Dept (Lyon) -1,700 vs. MO State Guard (Marmaduke) ~1,500 | Union: 5-killed, 7-wounded, MO Guard 5-k 17-w | USA |
| June 18 | Camp Cole, MO | Union Home Guards (~500) vs. Confederate State Guards (~350) | Union: 35 killed, 60 wounded 25 captured CSA: 7-K, 25-W | CSA |
| June 27 | Matthias' Point, VA | Union gunboats ~50 vs. Confed garrison ~500 | Union: 1-killed, 4-wounded; CSA none | CSA |
| July 2 | Hoke's Run, WVA | Union Army of the Shenandoah (2 brigades, Patterson) -8,000 vs. Confederate Army of the Shenandoah (1 brigade, Stonewall Jackson) - 4,000 | Union: 3-killed, 70-total; CSA 9-killed, 23-total | USA |
| July 5 | Carthage, MO | Union Department of the West (Sigel) -- 1,000 vs. Confederate Missouri State Guard (Jackson) -- 4,000 | Union: 44-total; CSA 200-total | CSA |
| July 5 | Neosho, MO | Union 3rd Missouri vs. Confederate cavalry | Union: 137-total; CSA zero total | CSA |
| July 8 | Laurel Hill, WVA | Union Dept of Ohio vs. Confederate Army of the Northwest | Union: 8-total; CSA unknown | USA |
| July 11 | Rich Mountain, WVA | Union Department of the Ohio (McClellan & Rosecrans) -7,000 vs. Confederate Army (Pegram & Garnett) -1,300 | Union: 46-total; CSA 300-total | USA |
| July 12 | Barboursville, WVA | Union 2nd Kentucky vs. Confederate rangers & locals | Union: 16-total; CSA 1-total | USA |
| July 13 | Corrick's Ford, WVA | Union Department of the Ohio (McClellan & Rosecrans) -20,000 vs. Confederate Army (Garnett) -4,500 | Union: 53-total; CSA 620-total CSA Gen. Garnett killed | USA |
| July 17 | Scary Creek, WVA | Union Department of the Ohio (Cox) -1,000 vs. Confederate Army of the Kanawha (Wise & George S. Patton) -800 | Union: 51-total; CSA 10-total including Patton wounded | CSA |