- Jun 1 -Nov] Shenandoah Valley campaign
- Jun 1 Battle of Cold Harbor, Virginia (Gaines' Mill, Gaines' Farm)
- Jun 1 Confederate cruiser Georgia sold to a British merchant in Liverpool
- Jun 2 Battle of Cold Harbour, Day 2
Battle of Cold Harbor
Jun 3 General Robert E. Lee wins his last victory of the US Civil War at the Battle of Cold Harbor
Lincoln Renominated
Jun 7 Abraham Lincoln renominated for US President by the Republican Party
- Jun 10 Union victory at the Battle of Kellar's Bridge, Kentucky (Licking River)
- Jun 11 300' (90 m) of Meigg's Wharf, in San Francisco, washed away in storm
- Jun 11 Battle at Cynthiana Kentucky: General Hobsons unit caught
- Jun 11 Battle of Trevilian Station, the bloodiest and largest all-cavalry battle of the American Civil War, begins in Louisa County, Virginia
- Jun 11 CSS Alabama, a Confederate screw sloop-of-war, arrives in port at Cherbourg, France
- Jun 12 Battle of Trevilian Station, the bloodiest and largest all-cavalry battle of the American Civil War, ends with a Confederate tactical victory and Union successful retreat in Louisa County, Virginia
- Jun 12 Confederate forces of Jubal Early attack Fort Stevens, barely 4 miles from the White House, with Abraham Lincoln observing the battle
- Jun 12 Skirmish at Mcafee's Cross Road, Georgia, about 57 die in battle
- Jun 14 US Union warship USS Kearsarge appears off Cherbourg
- Jun 15 -17] Skirmish at Gilgal Church, Georgia
Battle of Petersburg
Jun 15 Battle of Petersburg begins as General Ulysses S. Grant assaults the Confederate line at the important Southern rail center of Petersburg
- Jun 15 Capt Mendell begins building 640m long ponton bridge over James River, Virginia
- Jun 15 Robert E. Lee's home area (Arlington, Virginia) becomes a military cemetery
- Jun 15 US Congress passes legislation equalizing pay for Black soldiers
- Jun 16 Battle of Lynchburg, Virginia; Confederate troops fend off forces of Union general David Hunter
- Jun 16 Skirmish at Golgotha, Georgia
- Jun 17 -18] Confederate troops pull back out Solves/lost Mt, Georgia
- Jun 17 640m long ponton bridge over James River, Virginia finished
- Jun 17 Confederate General John Bell Hood replaces General Johnston as head of the Army of Tennessee
- Jun 17 Skirmish at Mud Creek/Noyes's (Nose) Creek, Georgia
- Jun 18 Siege of Petersburg: Ulysses S. Grant ends four days of assaults and begins a nine month siege
- Jun 18 The January Uprising, an insurrection in Russia's Kingdom of Poland aimed at restoration of the Polish–Lithuanian Commonwealth is quashed after 1-1/2 years
- Jun 19 CSS "Alabama" sunk by USS "Kearsarge" off Cherbourg, France
- Jun 19 Skirmish at Pine Knob, Georgia
- Jun 20 Battle of Kinston, North Carolina and Battle of Abingdon, Virginia
- Jun 20 Skirmish at Lattermore's Mills/Powder Springs, Georgia
- Jun 21 New Zealand Wars: The Tauranga Campaign ends
- Jun 22 Battle of Ream's Station, Virginia (Wilson's Raid)
- Jun 22 Skirmish at Culp's (Kulp's) House, Georgia
- Jun 25 Battle of Petersburg: Union forces begin digging tunnels under Confederate lines
- Jun 25 Horse tramway in The Hague, Netherlands opens
- Jun 27 Atlanta Campaign: Battle of Kennesaw Mountain, Georgia: Colonel Sherman makes unsuccessful frontal attack on Confederate defensive lin
Battle of Kennesaw Mountain
Jun 27 US Civil War: Atlanta Campaign - Battle of Kennesaw Mountain, Georgia: Union General Sherman makes unsuccessful frontal attack on Confederate defense
- Jun 29 Canada's worst railway accident: Grand Trunk Railway train crashes onto a barge on the Richelieu River killing 100 people
- Jun 29 Samuel Crowther, bishop of Niger, becomes the first Black bishop of the Church of England
- Jun 30 Yosemite Grant Act signed by President Abraham Lincoln bestowing 200,000 acres to the state of California, establishes America's first state-controlled park [1]
Authors
Civil Rights Activists
Inventors
Kings
Revolutionaries
Scientists