Archaeologists excavating a peat bog in the Götaland region of southern Sweden have uncovered a collection of remarkably preserved birch-bark masks dating to the 6th century AD. These artifacts, featuring intricate tin-inlay patterns that would have reflected firelight, are believed to be the earliest physical evidence of a communal 'Midwinter-Light' festival intended to beckon the return of the sun during the Vendel Period.
The excavation team from the University of Gothenburg noted that the masks were found alongside charred hazelnut shells and residues of elderberry wine, suggesting a large-scale ritual banquet. Unlike typical funerary masks, these specimens show signs of significant wear, indicating they were worn repeatedly during seasonal processional performances before being ritually deposited in the water as offerings to local marsh deities.