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Royals attend King Haakon VII of Norway’s 80th Birthday luncheon at Akershus Castle in Oslo on this day in 1952. From L-R (front): Princess Ingeborg of Sweden, King Haakon of Norway, Queen Alexandrine of Denmark, King Gustavus Adolph of Sweden, Crown Princess Martha of Norway, and Princess Dagmar of Denmark. Click HERE to see the 80th Birthday celebrations of King Haakon’s grandson earlier this year.