In the entrance of the Rhode Island state house there is a cannon with a cannonball stuck in its muzzle. And for 100 years, no one checked to see if that cannon was filled with explosive gunpowder. 

To Visit: Rhode Island State House | 82 Smith St, Providence, RI 02903

Episode Source Material: 

• Our Story: The Lives and Legacy of Those Who Served in Battery B First Rhode Island Light Artillery
• On the Gettysburg anniversary, a cannon in R.I. has a story to tell
• First Floor - Rhode Island - Nellie M. Gorbea
• The Gettysburg Gun
• Civil War monument to Battery B 1st Rhode Island Artillery at Gettysburg
• Battle of Gettysburg - Wikipedia
• Pickett's Charge Facts
• Artillery in the Civil War
• 1st Rhode Island Light Artillery, Battery B
• William Jones, 1st Rhode Island Light Artillery – Killed at Gettysburg