Library of Congress
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The defining event in our nation's history
Between 1861 and 1865, 10,000 battles and engagements were fought across the continent, from Vermont to the New Mexico Territory, and beyond. The four-year struggle between north and south made heroes of citizen soldiers, forever changed the role of women in society, and freed more than 3 million slaves. In the end, 620,000 or more Americans were left dead in its wake.
Explore the battles by location