Irwin's Brigade Charging the Confederate Position at the Dunker Church, Battle of Antietam, c.1862

African-American Slaves Returning from the Fields at Twilight on a Sugar Plantation, c.1800

Pioneers Planting Corn on Newly Cleared Land in the Backwoods

Union Troops Battling Their Way across Burnside Bridge in the Battle of Antietam

Confederate Charge Up Little Round Top, Battle of Gettysburg, c.1863

Admiral David G. Farragut in the Rigging during the Battle of Mobile Bay, 1864, American Civil War

American Minutemen Fight to Hold Off the British Army at Concord Bridge, April 10, 1775

General George Washington Crossing the Delaware

Unite or Die, c.1750

Cyrus Hall Mccormick's Reaper, Invented in 1847

General Andrew Jackson's Victory over the British at New Orleans, c.1815

Loggers with an Ordinary Haul on an Ox-Drawn Sledge, Minnesota, c.1890