After more digging, with help from professional archaeologists, the team uncovered remarkable artifacts, including braided necklaces, pearls, brooches, a Thor's hammer (a representation of a mythical weapon forged by dwarves), rings and up to 600 chipped coins, including more than 100 that date to Bluetooth's era.
On the German island of rügen the Amateur archaeologist in the company of his 13-year-old assistant to the investigated area, when one of them noticed something shiny in the ground that was initially mistaken for debris from the foil.
Schön's find was not entirely down to luck, perhaps, as in the 1870s, pieces of gold jewelry believed to be linked to Bluetooth were found on the island of Hiddensee, which is next to Rügen. As it turned out, was shining not a piece of foil, and the product of silver. Then began the excavations of the archaeological state service, during which was found the treasure.
Picture: Part of the treasure trove found in northern Germany. They have found almost 600 silver coins, more than 100 of which come from King Bluetooth's era. He was forced to flee to Pomerania after a rebellion led by his son Sven Gabelbart. He's also credited with uniting swathes of modern-day Norway, Germany, Sweden and Denmark under his rule.
Bluetooth is known for bringing Christianity to Demark in the 10th century.
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The oldest coin in the trove is a Damascus dirham dating to 714 while the most recent is a Frankish Otto-Adelheid penny minted in 983.
His nickname came from the fact he had a dead tooth that looked bluish.
The technology, developed to wirelessly link computers with cellular devices, was named after Bluetooth because of his knack for unification.
"We have here a rare case, when a discovery seems to be related to historical sources", says the chief archaeologist of Mecklenburg-Vorpommern, Detlef Jantzen.
The technology logo carries the runic letters for his initials HB.