Battle of the Crater
Overview
 
The Battle of the Crater was a battle of the American Civil War
American Civil War
The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

, part of the Siege of Petersburg
Siege of Petersburg
The Richmond–Petersburg Campaign was a series of battles around Petersburg, Virginia, fought from June 9, 1864, to March 25, 1865, during the American Civil War...

. It took place on July 30, 1864, between the Confederate
Confederate States Army
The Confederate States Army was the army of the Confederate States of America while the Confederacy existed during the American Civil War. On February 8, 1861, delegates from the seven Deep South states which had already declared their secession from the United States of America adopted the...

 Army of Northern Virginia
Army of Northern Virginia
The Army of Northern Virginia was the primary military force of the Confederate States of America in the Eastern Theater of the American Civil War, as well as the primary command structure of the Department of Northern Virginia. It was most often arrayed against the Union Army of the Potomac...

, commanded by General Robert E. Lee
Robert E. Lee
Robert Edward Lee was a career military officer who is best known for having commanded the Confederate Army of Northern Virginia in the American Civil War....

 and the Union
Union Army
The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 Army of the Potomac
Army of the Potomac
The Army of the Potomac was the major Union Army in the Eastern Theater of the American Civil War.-History:The Army of the Potomac was created in 1861, but was then only the size of a corps . Its nucleus was called the Army of Northeastern Virginia, under Brig. Gen...

, commanded by Major General
Major general (United States)
In the United States Army, United States Marine Corps, and United States Air Force, major general is a two-star general-officer rank, with the pay grade of O-8. Major general ranks above brigadier general and below lieutenant general...

 George G. Meade (under the direct supervision of the general-in-chief, Lt. Gen.
Lieutenant General (United States)
In the United States Army, the United States Air Force and the United States Marine Corps, lieutenant general is a three-star general officer rank, with the pay grade of O-9. Lieutenant general ranks above major general and below general...

 Ulysses S. Grant
Ulysses S. Grant
Ulysses S. Grant was the 18th President of the United States as well as military commander during the Civil War and post-war Reconstruction periods. Under Grant's command, the Union Army defeated the Confederate military and ended the Confederate States of America...

).

After weeks of preparation, on July 30 the Federals exploded a mine in Maj. Gen. Ambrose E. Burnside's
Ambrose Burnside
Ambrose Everett Burnside was an American soldier, railroad executive, inventor, industrialist, and politician from Rhode Island, serving as governor and a U.S. Senator...

 IX Corps sector, blowing a gap in the Confederate defenses of Petersburg, Virginia
Petersburg, Virginia
Petersburg is an independent city in Virginia, United States located on the Appomattox River and south of the state capital city of Richmond. The city's population was 32,420 as of 2010, predominantly of African-American ethnicity...

.
 
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