 Complete the following phrase:  He had joined just in time to fight with the 8th Pennsylvania Cavalry during one of the Union Armys most significant phases of duty  the Overland Campaign in Virginia commanded by Lieutet-General Ulysses S. Grant. Beginning with the Battle of the Wilderness May 57, 1864, he and his fellow cavalrymen fought continuously in a series of battles at: Todds Tavern May 7, Spotsylvania Court House May 821, Yellow Tavern May 11, Haws Shop May 28, Cold Harbor May 31June 12, and Trevilian Station June 1112 before engaging in the Siege of Petersburg June 9, 1864  March 25, 1865 and its battles at: Jerusalem Plank Road June 2123, St. Marys Church June 24, 