The United States National Museum has ... a forty-pound cannon ball fired from Fort Sumter at the beginning of the engagement on April 12, 1861, at the opening of the civil war.

The Civil War broke ... It’s believed the museum is also home to the only remaining 1837 cannon: the 12-pound bronze mountain howitzer cannon, one of 12 ordered by the U.S. War Department.

“We thought that folks in East Texas would be interested in seeing and learning a little bit more about the civil rights movement,” said museum manager Olivia Moore. “Normally, you would see ...