Secrets of the Daisen Kofun: Newly Confirmed Artifacts from Emperor Nintoku’s Tomb
In the heart of Osaka Prefecture lies one of Japan’s most awe-inspiring ancient monuments — the Daisen Kofun, a massive, keyhole-shaped burial mound believed to be the final resting place of Emperor Nintoku, who reigned during the 5th century. Spanning nearly 500 meters (1,640 feet) in length and surrounded by moats, it is the largest known burial mound in Japan and one of the largest in the world. For centuries, its mysteries have been protected by tradition, imperial authority, and the passage of time.
Yet a recent discovery has shed new light on what lies within this colossal tomb. For the first time in over a century, researchers have confirmed that certain artifacts — a knife and fragments of armor — once buried alongside Emperor Nintoku have resurfaced outside of the mound. Their jo...




















