Svalbard This week in history, 30 June
2025
Mine 7 closes
Mine 7 near Longyearbyen, the last Norwegian coal mine, was closed on 30 June 2025. Store Norske then turned to property, logistics and energy.
History Store norske leksikon
Wednesday 26 June 2024Before the Wire, which starts 26 October 2026Updated 23:59
Midnight sun, all 24 hours. The sun sets again 25 August.
Svalbard Wire starts on 26 October 2026. Pages before that date show the history of the island.
From the timeline, The Svalbard Treaty
1935
The Soviet Union joins
The Soviet government said in 1924 that it had no objection to Norwegian sovereignty, and the Soviet Union formally joined the treaty in 1935. Citizens of all member countries are guaranteed equal treatment in economic activity on the islands.
History Store norske leksikon