On October 11, 2021, Crown Princess Mary of Denmark took part in the UN's International Girls' Day 2021 event at Naerum Gymnasium in Copenhagen. The crisis in the Sahel region in West Africa was the theme of the UN's International Girls' Day 2021. Girls' Day was marked by the PlanBørnefonden with the event called "GirlsInCrisis: The forgotten girls in the Sahel" and took place at Naerum Gymnasium.
