In the 4th century BCE, at least four wooden plank boats the island of Als off the coast of Denmark. The unknown attackers were defeated, with the defenders sinking the weapons of their foes into the bog in one of these boats, known as the Hjortspring boat, most likely to give thanks for their victory. Archaeologists have now carbon-dated and analyzed caulking and cord materials found with the boat and also discovered a partial human fingerprint found...
