It’s a battle you won’t find in the history books (literacy wasn’t common in the area until 2,000 years ago).
Archaeologists have uncovered the remains of a brutal Bronze Age battle involving thousands of warriors.
Around 100 bodies have been found, including battered bones, fractured skulls and bodies impaled by weapons.
The initial discovery was made back in 2011, but further excavations have revealed further intriguing details about the vicious war.
It’s believed the battle took place when two armies encountered each other at a river crossing near the Baltic Sea.
The excavation also uncovered dozens of weapons made from wood, flint, and bronze including a stick similar to a croquet mallet and a club comparable to a baseball bat.
The excavation team originally thought the bodies had been ritually killed, or given as sacrifices but the weapons confirm that was not the case.
'If our hypothesis is correct that all of the finds belong to the same event, we're dealing with a conflict of a scale hitherto completely unknown north of the Alps,' said archaeologist Thomas Terberger in an interview with Science Magazine.
'There's nothing to compare it to. It may even be the earliest direct evidence - with weapons and warriors together – of a battle this size anywhere in the ancient world.”
The researchers say the remains found so far barely scratch the surface and expect to uncover many more bodies and weapons.