This involved Confederate generals Longstreet and Stuart, some interesting deceptions and US Army balloon observers.
It's counted a Union victory, their first in Virginia, because Confederates eventually withdrew from their forward positions.
This brings my count to 36 total engagements resulting in over 10,000 casualties, about 1,600 deaths total:
| 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 71-total (18-killed); CSA: 10-total (1-killed) | 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: 12-total (8 killed); CSA: none reported | CSA |
| June 17 | Boonville, MO | Union Western Dept (Lyon) -1,700 vs. MO State Guard (Marmaduke) ~1,500 | Union: 12-total (5-killed); MO Guard 22-total (5-killed) | USA |
| June 18 | Camp Cole, MO | Union Home Guards (~500) vs. Confederate State Guards (~350) | Union: 120-total (35 killed, 60 wounded 25 captured); CSA: 32-total ( 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: 70-total (3-killed); CSA 23-total ( 9-killed) | 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 |
| July 18 | Blackburn's Ford, VA (pre-Manassas) | Union Department of NE Virginia (McDowell, Richardson) -3,000 vs. Confederate Army of VA (Beauregard, Longstreet) -5,100 | Union: 83-total; CSA 70-total | CSA |
| July 21 | Bull Run/Manassas, VA | Union Department of NE Virginia (McDowell, Patterson) -54,000 (18,000 engaged) vs. Confederate Army of VA (Beauregard, Longstreet) -34,000 (18,000 engaged) | Union: 2,708-total (481-killed); CSA 1,897-total (387-killed) | CSA |
| July 22 | Forsyth, MO | Union Department of the West vs. Confederate Missouri State Guard | Union: 3-total ;Confederates: 15-total | USA |
| July 25 | Mesilla, New Mexico | Union Department of the New Mexico (~300) vs. Confederate 2nd Texas Mounted Rifles (~380 +artillery ) | Union: 9-total (2-killed); Confederates: 19-total (13-killed) | CSA |
| July 27 | Fort Fillmore, NM | Union Department of the New Mexico (~500) vs. Confederate 2nd Texas Mounted Rifles (~300) | Union: 500-total (surrendered); Confederates: none | CSA |
| Aug 2 | Dug Springs, MO (leadup to Wilson's Creek) | Union Department of the West (~6,000) vs. Confederate Missouri State Guard (~12,000) | Union: 38-total (8 killed ); Confederates:84-total (40 killed) | USA |
| Aug 3 | Curran Post Office, MO (leadup to Wilson's Creek) | Union Department of the West (~6,000) vs. Confederate 1st Arkansas Rifles | Unknown | inconclusive |
| Aug 5 | Athens, MO | Union 21st MO Infantry, Home Guards (~500) vs. Confederate Missouri State Guard (~2,000 + 3-cannons) | Union 23-total (3-killed); Confederate 31-total | USA |
| Aug 7 | CSA burned Hampton, VA | Union (Butler) vs. Confederate Cavalry (Magruder) | Union unknown; Confederates unknown | CSA |
| Aug 8 | skirmish at Lovettsville, VA | Union vs. Confederate | Union unknown; Confederates 6-total | USA |
| Aug 10 | Wilson's Creek, MO | Union Dept of the West (Lyon -5,430)vs. Confederate MO State Guard, Dept 2 (Price -12,120) | Union 1,317-total (285-killed incl Gen. Lyon); Confederates 1.232-total (277-killed) | CSA |
| Aug 10 | Potosi, MO | Union Home Guard (~75 troops) vs. Confederate cavalry (~120 troops) | Union 5-total (1-killed); Confederates 5-total (2-killed) | USA |
| Aug 17 | Palmyra, MO | Union 16th Illinois (entrained) vs. Confederate guerillas | Union 2-total (1-killed); Confederates 5-killed | USA |
| Aug 25 | Mason's Hill, VA | Union (Lowe's observation balloon) vs. Confederate Army NVA (Longstreet, Stuart) | Union unknown; Confederates unknown | USA |