Battle of Black Jack

The Battle of Black Jack happened on June 2, 1856, when anti-slavery people, led by abolitionist John Brown, attacked the camp of Henry C. Pate near Baldwin City, Kansas. The battle is one event of "Bleeding Kansas," and it was part of the lead up to the American Civil War of 1861 to 1865.
In 2012 the National Park Service designated the battlefield a National Historic Landmark.