Intrigue over how German-made 12th century blade, adorned in Sweden, reached Siberia... An exciting new theory has now emerged that it could have belonged to Tsar Ivan the Terrible, and came from the royal armoury as a gift at the time of the conquest of Siberia. The hypothesis, twinning an infamous Russian ruler and a revered battle hero, could turn it into one of the most interesting archaeological finds in Siberian history, though for now much remains uncertain. What Siberian experts are sure about is that the beautifully engraved weapon was originally made in central Europe, and most likely in...