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United States

A view of the Round Tops as seen from a southern cannon in Gettysburg National Military Park, Gettysburg, Pennsylvania. The three-day Battle of Gettysburg (1-3 July 1863) in the US Civil War was the largest ever battle fought in the Western Hemisphere involving roughly 175,000 Union and Confederate soldiers. Union forces’ ability to hold Little Round Top hill on the Union extreme left flank on the second day of fighting helped blunt the Confederate attack and set the stage for victory the following day. Image courtesy of the US National Park Service.