Questions about Harald Bluetooth

Short answers, pulled from the story.

When did Harald Bluetooth die and where was he buried?

Harald Gormsson died around the year 985 or 986. His body was brought back to Trinity Church in Roskilde for burial.

What is the origin of the name Harald Bluetooth according to medieval sources?

A late twelfth-century chronicle explicitly glosses Blachtent as dens lividus vel niger which means blue tooth or black tooth. Some scholars suggest he had a conspicuous bad tooth that appeared dark while others argue the name meant blue thane or dark thane.

Which five strategic ring forts were constructed under King Harald's direction?

Five strategic ring forts were constructed under his direction including Trelleborg on Zealand, Borrering in eastern Zealand, Nonnebakken on Funen, Fyrkat in Himmerland, and Aggersborg near Limfjord.

How did King Harald convert to Christianity according to different historical accounts?

Widukind of Corvey claims Harald was converted by a cleric named Poppa who carried great weight iron heated by fire without being burned. Adam of Bremen described Harald being forcibly converted by Otto I though this account appeared 100 years after Harald's death.

Why does the modern Bluetooth wireless specification bear King Harald's name?

The Bluetooth wireless specification design received its name in 1997 because it drew inspiration from King Harald uniting tribes into a single kingdom. The technology aimed to unite devices just as he united Denmark.