The Historical Museum in Oslo was on my list of places to visit this winter. I was mainly interested in the Vikings and archaeological exhibition from that period, but I wasn’t going to ignore the other exhibits. My visit coincided with the unveiling of the newest exhibit, which had been decided to show visitors only a week earlier, the oldest runestone that had been found so far. I was hoping to take a look at that as well. The museum is located in the center of Oslo, a stone’s throw from the royal residence. I got there just before opening on Sunday morning. An adult ticket reduced my wallet by…