Battle of the Crater: An unsuccessful Union attempt to break through the Confederate defenses at Petersburg takes place.
Joseph Pannell Taylor, Union Brigadier General and brother of the late president Zachary Taylor, dies at Washington, D.C.
A small cavalry engagement (the Battle of Sappony Church) takes place, resulting in a Confederate victory.
At the Battle of Kennesaw Mountain, Confederates under General Joseph Johnston repel a large-scale Union frontal assault.
Union forces begin digging a tunnel underneath the Confederate lines at Petersburg, with the idea of exploding a mine in the tunnel. The end result of this digging would be the Battle of the Crater on July 30.
The Battle of Saint Mary’s Church takes place. Union forces under Brigadier General David McM. Gregg are able to protect a wagon train en route to the James River.
Army of the James commander Major General Benjamin Butler appoints Clara Barton in charge of diet and nursing at an X Corps hospital near Point of Rocks, Virginia. The “flying hospital” served the wounded from the fighting near Petersburg.
Union and Confederate troops clash at the Battle of Jerusalem Plank Road.