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New York 78th Infantry (Union)

1/1/62

Organized - New York 78th Infantry - New York

5/24/62

Battle - Winchester, Virginia

8/9/62

Leadership Change - Division - Brigadier General Christopher C. Augur

Brigadier GeneralChristopher C. Augur

8/9/62

Leadership Change - Division - Brigadier General Henry Prince

Brigadier GeneralHenry Prince

8/9/62

Battle - Cedar Mountain - Culpeper County, Virginia

Cedar Mountain
Cedar Mountain

Maj. Gen. John Pope was placed in command of the newly-constituted Army of Virginia on June 26th. Pope's orders were to defend Washington DC and Union-held northern Virginia while the Army of the Potomac under Maj. Gen. George B. McClellan battled Robert E. Lee outside of Richmond. When McClellan was defeated at the end of the Seven Days battles less than a week later, Lee turned his attention north toward Pope while McClellan regrouped his army. Pope's three army corps were arrayed in a line from the Blu…READ MORE

9/6/62

Battle - Frederick, Maryland

9/14/62

Battle - South Mountain - Frederick County, Maryland; Washington County, Maryland; Boonsboro, Maryland

South Mountain
South Mountain

After his success at Second Manassas, Gen. Robert E. Lee led the Army of Northern Virginia north across the Potomac River on an invasion of Maryland in September of 1862. Lee divided his army, sending a portion of it into western Maryland while Lieut. Gen. Stonewall Jackson's wing attempted to capture the Federal garrison at Harper's Ferry. The bold plan was jeopardized on September 13th when a mislaid copy of Lee's orders revealing the Confederates' plans was given to Union commander Maj. Gen. George B. M…READ MORE

9/17/62

Leadership Change - Regiment - Captain Henry R. Stagg, and Lieutenant Colonel Jonathan Austin

CaptainHenry R. Stagg

Lieutenant ColonelJonathan Austin

9/17/62

Leadership Change - Brigade - Colonel William B. Goodrich, and Lieutenant Colonel Jonathan Austin

ColonelWilliam B. Goodrich

Lieutenant ColonelJonathan Austin

9/17/62

Leadership Change - Division - Brigadier General George S. Greene

Brigadier GeneralGeorge S. Greene

9/17/62

Leadership Change - Brigade - Colonel William B. Goodrich

9/17/62

Battle - Antietam - Sharpsburg, Maryland

Antietam
Antietam

The Army of the Potomac, under the command of Maj. Gen. George McClellan, mounted a series of powerful assaults against General Robert E. Lee's forces along Antietam Creek near Sharpsburg, Maryland, on September 17th, 1862.READ MORE

4/30/63

Leadership Change - Regiment - Captain William H. Randall, and Major Henry R. Stagg

4/30/63

Leadership Change - Brigade - Brigadier General George S. Greene

Brigadier GeneralGeorge S. Greene

4/30/63

Leadership Change - Division - Brigadier General John W. Geary

Brigadier GeneralJohn W. Geary

4/30/63

Battle - Chancellorsville - Spotsylvania County, Virginia

Chancellorsville
Chancellorsville

On April 27, 1863, Maj. Gen. Joseph Hooker launched a turning movement designed to pry Robert E. Lee's Army of Northern Virginia out of its lines at Fredericksburg.READ MORE

7/1/63

Leadership Change - Regiment - Lieutenant Colonel Herbert von Hammerstein, and Major William H. Randall

7/1/63

Leadership Change - Regiment - Major William H. Randall

7/1/63

Leadership Change - Brigade - Brigadier General George S. Greene

Brigadier GeneralGeorge S. Greene

7/1/63

Battle - Gettysburg - Gettysburg, Pennsylvania

Gettysburg
Gettysburg

In the summer of 1863, Confederate Gen. Robert E. Lee launched his second invasion of the Northern states. Lee sought to capitalize on recent Confederate victories and defeat the Union army on Northern soil, which he hoped would force the Lincoln administration to negotiate for peace. Lee also sought to take the war out of the ravaged Virginia farmland and gather supplies for his Army of Northern Virginia. Using the Shenandoah Valley as cover for his army, Lee was pursued first by Union Maj. Gen. Joseph Ho…READ MORE

10/28/63

Leadership Change - Regiment - Lieutenant Colonel Herbert von Hammerstein

Lieutenant ColonelHerbert von Hammerstein

10/28/63

Leadership Change - Brigade - Brigadier General George S. Greene, and Colonel David Ireland

Brigadier GeneralGeorge S. Greene

ColonelDavid Ireland

10/28/63

Leadership Change - Brigade - Brigadier General George S. Greene

Brigadier GeneralGeorge S. Greene

10/28/63

Battle - Wauhatchie - Hamilton County, Tennessee

Wauhatchie
Wauhatchie

Wary of troops marching to the aid of the Federal army besieged at Chattanooga, General Braxton Bragg ordered General James Longstreet to take action against the force massing in Lookout Valley. In a rare nighttime attack, a division of Longstreet's corps attacked the Union rearguard near the crossroads of Wauhatchie. The brief fight was a bloody repulse for the Confederates, who were forced to withdraw. The Confederates had missed their last best chance to prevent supplies from reaching the Union Army of…READ MORE

11/23/63

Battle - Chattanooga Campaign - Chattanooga, Tennessee

Chattanooga Campaign
Chattanooga Campaign

After taking charge of the Union's western armies in October of 1863, Maj. Gen. Ulysses S. Grant focused on lifting the Confederate siege of Chattanooga, Tennessee, which had been in place since the Battle of Chickamauga in September. Grant opened the 'Cracker Line' across the Tennessee River to bring supplies to the beleaguered Army of the Cumberland inside the city, and, in mid-November, brought Maj. Gen. William T. Sherman's Army of the Tennessee into the city as well. The Confederates under Maj. Gen.…READ MORE

11/25/63

Battle - Missionary Ridge - Chattanooga, Tennessee

Missionary Ridge
Missionary Ridge

From the last days of September through October 1863, Gen. Braxton Bragg's army laid siege to the Union army under Maj. Gen. William Rosecrans at Chattanooga, cutting off its supplies. On October 17, Maj. Gen. Ulysses S. Grant received command of the Western armies; he moved to reinforce Chattanooga and replaced Rosecrans with Maj. Gen. George Thomas. A new supply line was soon established. Maj. Gen. William T. Sherman arrived with his four divisions in mid-November, and the Federals began offensive operat…READ MORE

11/27/63

Battle - Ringgold Gap - Catoosa County, Georgia

Ringgold Gap
Ringgold Gap

Following the Union victory at Missionary Ridge outside of Chattanooga and the subsequent Confederate retreat, Yankee troops set out in pursuit as the Rebels moved south into Georgia. Maj. Gen. Patrick Cleburne's division was ordered to fall back to Ringgold Gap with orders to hold the Western & Atlantic Railroad which passed through Taylor's Ridge there. Control of the railroad at the gap was critical to moving the badly needed Confederate supply trains to the rear. Maj. Gen. Joseph B. Hooker, with ab…READ MORE

11/27/63

Battle - Mine Run - Orange County, Virginia

Mine Run
Mine Run

After the inconclusive Bristoe Campaign in the fall of 1863, Maj. Gen. George G. Meade planned one more offensive against Gen. Robert E. Lee in northern Virginia before winter weather ended military operations. In late November, Meade attempted to steal a march southeast from Culpeper Courthouse, turn south through the Wilderness and strike the right flank of the Confederate army south of the Rapidan River. On November 27th, Maj. Gen. Jubal A. Early, in command of Ewell's Corps, marched east on the Orange…READ MORE

5/13/64

Battle - Resaca - Gordon County, Georgia; Whitfield County, Georgia

Resaca
Resaca

Following his withdrawal from Rocky Face Ridge, the first battle in Maj. Gen. William T. Sherman's campaign against Atlanta, Confederate Gen. Joseph E. Johnston established a four-mile defensive position protecting the Western & Atlantic Railroad west and north of Resaca, where the railroad crossed the Oostanaula River. On May 13th, Sherman tested the Rebel lines, sending forward divisions to skirmish with the Confederates, with little substantive result. On the 14th, the fighting erupted into a full-…READ MORE

5/25/64

Battle - New Hope Church - Paulding County, Georgia

New Hope Church
New Hope Church

During early May 1864, Maj. Gen. William T. Sherman successfully outmaneuvered the army of Gen. Joseph E. Johnston in multiple battles in northwest Georgia. Each time, Johnston fell back to a new defensive position closer to the strategic Confederate city of Atlanta. After Johnston retreated to Allatoona Pass on May 19-20th following the battle at Adairsville, Sherman determined to move around Johnston's left flank rather than attack the strong Confederate defenses in his front. On May 23rd, Sherman set in…READ MORE

5/27/64

Battle - Dallas - Paulding County, Georgia

Dallas
Dallas

During early and mid-May 1864, Maj. Gen. William T. Sherman successfully outmaneuvered the army of Gen. Joseph E. Johnston in multiple battles in northwest Georgia. Each time, Johnston fell back to a new defensive position closer to the strategic Confederate city of Atlanta. Stopped at New Hope Church on Johnston's left on May 26th, Sherman attacked Johnston's right at Pickett's Mill on May 27th. The next day, Lt. Gen. William J. Hardee's corps probed the Union defensive line, held by Maj. Gen. John A. Log…READ MORE

6/6/64

Battle - Marietta - Cobb County, Georgia

6/27/64

Battle - Kennesaw Mountain - Cobb County, Georgia

Kennesaw Mountain
Kennesaw Mountain

Fearing envelopment northwest of Atlanta, Confederate Gen. Joseph E. Johnston withdrew his army to a new defensive position astride Kennesaw Mountain near Marietta. Johnston selected this position in order to protect the Western & Atlantic Railroad, his supply link to Atlanta. Prior to taking up this new line on June 19th, Johnston had pioneers working through the night digging trenches and erecting fortifications, turning Kennesaw into a formidable earthen fortress. Having defeated Lieut. Gen. John…READ MORE

7/12/64

Mustered Out - New York 78th Infantry - New York

10/5/64

Battle - Allatoona - Bartow County, Georgia

11/23/64

Battle - Lookout Mountain - Chattanooga, Tennessee

Lookout Mountain
Lookout Mountain

A month after opening the 'Cracker Line,' Gen. Ulysses S. Grant was ready to lift the siege of Chattanooga. On November 23, 1863, a reconnaissance in force by Gen. George H. Thomas' Army of the Cumberland overran the Confederate position on Orchard Knob, and gave Confederate Gen. Braxton Bragg deep concerns about the strength of the center of his line along Missionary Ridge. In shoring up this portion of the Confederate position, Bragg moved Gen. William H. T. Walker's division from the base of Lookout Mou…READ MORE

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