Queen Margrethe of Denmark, Crown Prince Frederik and Prince Christian participate in the celebrations marking the 100th anniversary of the Reunification of Denmark and Southern Jutland. Soenderborg June 13, 2021. Photo: Martin Hoeien / Aller Foto & Video. 13 Jun 2021 Pictured: Queen Margrethe, Prince Christian, Crown Prince Frederik. Photo credit: Martin Hoeien/Aller/MEGA TheMegaAgency.com +1 888 505 6342