On June 7, 2021, Prince Joachim and Princess Marie of Denmark attended 2020 awards ceremony of the Stéphane Bern Foundation for History and the Heritage-Institute of France. The award ceremony was held in the presence of First Lady Brigitte Macron. The First Lady presented the 2020 Heritage Prize awarded to Maisons Paysannes de France. The second award, the History Prize 2020, was presented by Prince Joachim of Denmark. Princess Marie wore a metallic jacquard and stretch woven dress from By Malene Birger.