Confederate dead behind the stone wall of Marye's Heights, Virginia, killed during the <a href="https://en.wikipedia.org/wiki/Second_Battle_of_Fredericksburg" class="extiw" title="en:Second Battle of Fredericksburg">Second Battle of Fredericksburg</a>, which was in the eastern portion of the May 1863 <a href="https://en.wikipedia.org/wiki/Battle_of_Chancellorsville" class="extiw" title="en:Battle of Chancellorsville">Battle of Chancellorsville</a>.  The <a href="https://en.wikipedia.org/wiki/Battle_of_Fredericksburg" class="extiw" title="en:Battle of Fredericksburg">previous battle</a> was in December 1862.  According to the NARA <a rel="nofollow" class="external text" href="https://www.archives.gov/research/military/civil-war/photos/index.html">caption</a>, this photo is from the 1863 battle.  The <a href="https://en.wikipedia.org/wiki/6th_Maine_Volunteer_Infantry_Regiment" class="extiw" title="en:6th Maine Volunteer Infantry Regiment">6th Maine Infantry</a> penetrated the Confederate lines at this point.
<bdi><a href="https://en.wikipedia.org/wiki/en:Mathew_Brady" class="extiw" title="w:en:Mathew Brady"><span title="American photographer (circa 1823–1896)">Mathew Benjamin Brady</span></a>
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1863-05-03
<bdi><a href="https://en.wikipedia.org/wiki/en:National_Archives_at_College_Park" class="extiw" title="w:en:National Archives at College Park"><span title="major facility of the United States National Archives and Record Administration (NARA) in College Park, Maryland">National Archives at College Park</span></a>
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