20th Indiana Infantry

== Regimental History and Service Record ==
The "Fighting Three Hundred"
Organized at Lafayette, Ind., and mustered in July 22, 1861. Left State for Baltimore, Md., August 2. Stationed at Cockeysville, Md., guarding Northern Central R. R. to Pennsylvania line until September. Expedition to Hatteras Inlet, N. C., September 24-27. At fortifications North end of Hatteras bank until November. Action at Chickamacomico October 4. Ordered to Fortress Monroe, Va., November 9, and duty there until March, 1862. Attached to Fortress Monroe, Va., Dept. of Virginia, to May, 1862. Robinson's Brigade, Dept. of Virginia, to June, 1862. 1st Brigade, 3rd Division, 3rd Army Corps, Army of the Potomac, to August, 1862. 1st Brigade, 1st Division, 3rd Army Corps, to March, 1864. 1st Brigade, 3rd Division, 2nd Army Corps, to July, 1865.
SERVICE.--
* March 8-March 9, 1862 - Action at Hampton Roads, Virginia 
* Occupation of Norfolk and Portsmouth May 10. 
* Joined Army of the Potomac on the Peninsula June 8. 
* June 8-September 2, 1862 - The Peninsula Campaign
** June 19, 1862 - Skirmish on the Charles City Cross Roads, Virginia 
** June 25-July 1, 1862 - The Seven Days Battles before Richmond, Virginia
*** June 25, 1862 - Engagement at Oak Grove, Virginia
*** June 30, 1862 - Engagement at White Oak Swamp, Virginia
*** June 30, 1862 - Engagement at Glendale, Virginia
*** Jordan's Ford June 30; 
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
Malvern Hill July 5. At Harrison's Landing until August 16. Movement to Fortress Monroe, thence to Centreville August 16-28. Pope's Campaign in Virginia August 28-September 2. Battles of Groveton August 29; Bull Run August 30; Chantilly September 1. Duty at Arlington Heights until October. At Poolesville until October 29. Movement to Falmouth, Va., October 29-November 19. Battle of Fredericksburg, Va., December 12-15. Burnside's 2nd Campaign ("Mud March") January 20-24, 1863. At Falmouth until April. 
* April 27-May 6, 1863 - The Chancellorsville Campaign
** May 1-5, 1863 - Battle of Chancellorsville, Virginia - Captured the 23rd Georgia Infantry
* June 11-August 1, 1863 - The Gettysburg Campaign 
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania 
Pursuit of Lee to Manassas Gap, Va., July 5-24. Wapping Heights, Va., July 23. Detached at New York City during draft disturbances August-September. Advance to line of the Rappahannock November 7-8. Kelly's Ford November 7. Mine Run Campaign November 26-December 2. Payne's Farm November 27. Regiment veteranize January 1, 1864. 
* May 4-June 12, 1864 - The Overland Campaign
** May 5-7, 1864 - Battle of the Wilderness, Virginia
** May 8-21, 1864 - Battles of Spotsylvania Court House, Virginia
*** May 8, 1864 - Combat at Laurel Hill, Virginia
*** May 10, 1864 - Combat at Po River, Virginia
*** May 12, 1864 - Assault on the Salient at Spotsylvania Court House, Virginia
*** May 19, 1864 - Engagement at Harris Farm, Virginia
** May 22-26, 1864 - Operations on Line of the North Anna River, Virginia
** May 26-28, 1864 - Operations on Line of the Pamunkey River, Virginia
** May 28-31, 1864 - Operations on Line of the Totopotomoy River, Virginia
** June 1-12, 1864 - Battles of Cold Harbor, VirginiaNot originally listed on Dyer summary
Before Petersburg June 16-18. Siege of Petersburg June 16, 1864 to April 2, 1865. Jerusalem Plank Road, Weldon R. R., June 22-23, 1864. Demonstration on North side of the James July 27-29. Deep Bottom July 28-29. Demonstration on North side of the James at Deep Bottom August 13-20. Strawberry Plains August 14-18. Ream's Station August 25. The Chimneys September 10. Poplar Springs Church September 29-October 2. Yellow House October 2-5. 
* October 18, 1864 - Remaining volunteers from 19th Indiana Infantry transferred to regiment
Boydton Plank Road, Hatcher's Run, October 27-28. Raid on Weldon Railroad December 7-12. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Watkins' House March 25. Appomattox Campaign March 28-April 9. Vaughan Road, near Hatcher's Run, March 29. Crow's House March 31. Fall of Petersburg April 2. Sailor's Creek April 6. Farmville April 7. Appomattox Court House April 9. Surrender of Lee and his army. March to Washington, D.C., May 2-12. Grand Review May 23. Moved to Louisville, Ky., June 14-21 and duty there until July 12. Mustered out July 12, and discharged at Indianapolis, Ind.
== Regimental Roster ==
 
 
 Field and Staff Officers
 
 
 Regimental Band
 
 
 Company A
 
 
 Company B
 
 
 Company C
 
 
 Company D
 
 
 Company E
 
 
 Company F
 
 
 Company G
 
 
 Company H
 
 
 Company I
 
 
 Company K
 
 
 Unassigned
 
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== Regiment Statistical Information ==
Source 	Casualties	Remarks
Dyer 	
* 15 Officers and 186 enlisted men killed and mortally wounded 
* 113 enlisted men killed by disease
* Total 314	None
Fox 	
* 14 Officers and 187 enlisted men killed and mortally wounded
* Total 201 (Combat Losses)
* Fox lists this unit as:
** 43rd on the list of units "sustaining greatest loss in action" (Infantry units with over 200 casualties)
** 33rd on the list of units with losses based on duration of the entire term of service of the unit (3rd of the Indiana troops)	
WotRWiki Statistics	
* troops killed
** Includes troops mortally wounded
** Includes troops killed by disease
** All others are troops killed in action or under special circumstances	
== Legacy ==
== Notes ==
== Sources == 
* (Pages 827, 896, 902, 903, 904, 905, 916, 932, 933, 934, 935, 936, 937, 938, 939, 1127)
* (Pages 3, 10)
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