Fredensborg Concert in celebration of the unity of the Realm. Fredensborg Palace, October 29. 2019. Queen Margrethe, Crown Prince Frederik, Crown Princess Mary. Photo: Hanne Juul / Aller Media. 29 Oct 2019 Pictured: Queen Margrethe, Crown Princess Mary, Crown Prince Frederik. Photo credit: Hanne Juul/Aller/MEGA TheMegaAgency.com +1 888 505 6342