What battle was fought by Greenwich Union soldiers, in which General Mead's Army of the Potomac defeated General Lee's North Virginia Army resulting in the largest number of casualties in a single war?
Greenwich in the American Civil War: The town of Greenwich, Connecticut, contributed 437 men to twenty-six Connecticut regiments during the American Civil War. Battle of Gettysburg: The Battle of Gettysburg ( , with an sound) was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. Battle of Gettysburg:  Union Maj. Gen. George Meade's Army of the Potomac defeated attacks by Confederate Gen. Robert E. Lee's Army of Northern Virginia, halting Lee's invasion of the North.
i don't know