This week in history, 14 August
1925
Norway formally took over sovereignty on 14 August 1925. Of 74 reported property claims, 40 were approved, spread over 17 companies and private persons, covering 4223 square kilometres.
History Store norske leksikon
From the timeline, Hunting and expeditions
1715
Russian fur trappers overwintered on Svalbard from the early eighteenth century: Store norske leksikon gives 1704 in one article and 1715 in another. Their hunting faded out around 1850, while Norwegian sealing vessels and wintering expeditions carried on.
History Store norske leksikon