20 March – Denmark makes the last payment on a $1.5 billion loan and thus becomes free of national debt in foreign currencies for the first time since 1834.[2]
25–30 April – With two gold medals, three silver medals and five bronze medals, Denmark finishes as the best nation at the 2017 European Badminton Championships.
17–24 September – With two gold medals, one silver medal and two bronze medals, Denmark finishes as the third best nation at the 2017 UCI Road World Championships in Norway.
Equestrian sports
21–27 August – Denmark wins two gold medals, two silver medals and four bronze medals at the 2017 FEI European Championships.
30 June - 7 July – Maja Alm wins a gold medal in Women's sprint and a silver medal in Women's long distance and Denmark wins a silver medal in Sprint relay at the 2017 World Orienteering Championships.