16th-Century Spanish Cannons Found in Arizona, Could Be US’s Oldest Firearms

Archaeologists have discovered two cannons dating back to 1541 in Arizona. The firearms, believed to be the oldest found in the US, were left behind by Spanish forces after a battle against Native Americans. The cannons, part of Francisco Vázquez de Coronado’s expedition, were likely abandoned following resistance from Indigenous groups. Experts highlight the histo...