June 22,1864-Confederate General Hood makes a determined but unsuccessful attack on Federals near Zion Church, northwest of Marietta, Georgia.
June 22,1864-At Petersburg, Virginia, Generals Birney and Wright move out as ordered. They are met by forces commanded by Confederate General A.P. Hill. Birney's forces are driven back with 2962 casualities, including 1600 prisoners, along the Jerusalem Plank Road. Wright's forces are blocked and the effort to extend the siege line largely fails.
June 22,1864-General John Morgan receives command of the Department of Western Virginia and East Tennessee.
June 23,1864-Generals David Birney and Horato Wright repeat the attack with their II and VI Corps. They regain lost ground from the previous day but fail to cut the railroad. It will take eight more weeks for General Grant to mount a larger effort in the sector.
June 23,1864-General David Hunter escapes Confederate General Early's attack in the Shenandoah Valley by retreating westerly. Hunter's move takes him further from Washington, now exposed to attack.
June 23,1864-The heavy ironclad USS Tecumseh leaves the James River and joins the Blockading Forces at Mobile.
June 24,1864-The Maryland Convention meets and votes to abolish slavery in the state.
June 24,1864-U.S. Cavalry commanded by General Philip Sheridan are driven off at Samaria Church, Virginia as they make their way back from the aborted effort at Lynchburg.
June 25,1864-At Petersburg, digging begins when miners from Schuykill County, Pennsylvania conceive a plan to construct a 500+ foot tunnel under Confederate earthworks. The miners are members of Colonel Henry Pleasant's 48th Pennsylvania. The plan is endorsed by General Ambrose Burnside, IX Corp commander and reluctantly approved by General Grant.
June 25,1864-General Sheridan's Cavalry ferries across the James River and rejoins the main Union army at Petersburg.
June 26,1864-General Early's 14,000 man force occupies Stanton, Virginia with plans to move on to Winchester.
June 26,1864-General John Schofield leads three brigades of his Army of the Ohio across Olley's Creek at the base of Kennesaw Mountain, Georgia against surprisingly light resistance. General Sherman misses an opportunity to profit from this foothold and instead plans a frontal assault against what he believes are thin-spread Confederate forces.
June 27,1864-The Battle of Kennesaw Mountain raged from 9 o'clock until 11:30 AM. Three major uphill assaults resulted in no gain by the Union forces. Federal losses were 1,999 killed or wounded and 52 missing. Two Union Generals are killed. This is the most costly encounter of the Atlanta Campaign.
June 27,1864- President Lincoln accepts the Union's Party nomination to run for President.
June 28,1864-President Lincoln signs legislation repealing the fugitive slave act.