On December 8, 2018, Danish Crown Prince Family, that is, Crown Princess Mary, Crown Prince Frederik, Prince Christian, Princess Isabella, Prince Vincent and Princess Josephine attended the Christmas concert of Children's Choir of the Royal Danish Academy of Music (DKDMBoernekor - Det Kongelige Danske Musikkonservatoriums Børnekors) at Konservatoriets Koncertsal in Frederiksberg, Denmark.
On December 11, 2018, Crown Princess Mary of Denmark attended a conference on "Responsibility and bottom line: Gender equality and women's health for businesses and investors" (med Sex og Samfund), held by IFU and Ministry of Foreign Affairs at the headquarters of Ministry of Foreign Affairs.
On the evening of January 29, 2019, Queen Margrethe of Denmark held a Medal of Honor dinner for Navy officers at Fredensborg Castle in Copenhagen, Denmark. Crown Prince Frederik and Crown Princess Mary also attended the dinner.
On the evening of January 30, 2019, Wednesday, Crown Princess Mary of Denmark attended the opening of the Denmark/South Korea Cultural Year at Kunsthal Aarhus Modern Art Museum in Aarhus, Denmark.
on January 31, 2019, at BLOX which is the headquarters of Danish Association of Architects, Crown Princess Mary attended a meeting with the Danish Parliament's (Folketing) cross-political networks for the global goals and the 2030 panel.
On February 28, Crown Princess Mary presented 2019 EliteForsk awards to five of Denmark’s best young researchers at an event held at the Copenhagen Opera House.
On April 12, 2019, Crown Princess Mary of Denmark attended the opening of "Fashioned from Nature" exhibition held at the National Museum of Natural History in Copenhagen.
On April 16, 2019, Queen Margrethe of Denmark, Crown Prince Frederik, Crown Princess Mary, Prince Christian, Princess Isabella, Prince Vincent and Princess Josephine greeted people from the veranda of Marselisborg Castle in connection with 79th birthday of the Queen.
As the patron of UNFPA-Denmark, Crown Princess Mary of Denmark attended the launch of "State of World Population Report 2019"held at the Gefion Gymnasium in Copenhagen on May 6, 2019.
Amalienborg, Frederik VIII’s Palace hosted the annual executive board meeting of The Mary Foundation. All members of the executive board of the Foundation got together at Frederik VIII's Palace in Amalienborg for the annual meeting relating to the Foundation's achievements in the past year and future plans.