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Automatische Übersetzung:
Siege of Petersburg, Virginia, American Civil War, 30 July 1864. Charge of the Union 2nd Division, 9th Army Corps. In the background is a huge crater caused by the explosion of a mine under the Confederate defences. The Siege of Petersburg, which lasted from June 1864 until March 1865, foreshadowed the trench warfare battles of World War I.