June 1864

Friday 03:

Union forces attack Confederate troops at Cold Harbor, Virginia.

Sunday 05:

American Civil War: Battle of Piedmont: Union forces under General David Hunter defeat a Confederate army at Piedmont, Virginia, taking nearly 1,000 prisoners.

Friday 10:

American Civil War: Battle of Brice's Crossroads – Confederate troops under Nathan Bedford Forrest defeat a much larger Union force led by General Samuel D. Sturgis in Mississippi.

Sunday 12:

American Civil War: Battle of Cold Harbor – General Ulysses S. Grant pulls his troops from their positions at Cold Harbor, Virginia and moves south.

Wednesday 15:

Arlington National Cemetery is established when 200 acres (0.8 km²) around Arlington Mansion are officially set aside as a military cemetery by U.S. Secretary of War Edwin M. Stanton.

Tuesday 21:

Maori Wars: The Tauranga Campaign ends.

Monday 27:

Battle of Kennesaw Mountain in the American Civil War.

Wednesday 29:

Ninety-nine people killed in Canada's worst railway disaster near St-Hilaire, Quebec.

Thursday 30:

U.S. President Abraham Lincoln grants Yosemite Valley to California for "public use, resort and recreation."