• Monarch – Frederick VIII^[1]
• Prime minister – Carl Theodor Zahle (until 5 July), Klaus Berntsen

• 20 May – The 1910 Folketing election is held.
• 24 June – Faaborg Museum is inaugurated in manufacturer Mads Rasmussen's apartment. The current building was built from 1912 to 1915.^[2]
• 20 September – The 1910 Landsting election is held.

Date unknown edit

• The first separate bicycle path in Copenhagen is established around The Lakes, when the existing bridle paths are converted into isolated cycleways to accommodate the heavy growth of cycles at that time.^[3]
• There are almost 50,000 flush toilets installed in Copenhagen.^[3]

• 10 June – Fremad Amager is founded.
• 25 July – Thorvald Ellegaard wins silver in men's sprint at the 1910 UCI Track Cycling World Championships.

January–March edit

• 30 January – Victor Gram, politician (died 1969)
• 6 March – Ejler Bille, artist (died 2004)

April–June edit

• 10 April – Aage Leidersdorff, Olympic fencer (died 1970)

July–September edit

• 21 July – Viggo Kampmann, politician, former prime minister (died 1976)
• 23 September – Acton Bjørn, architect and designer (died 1992)

October–December edit

• 23 October – Richard Mortensen, painter (died 1993)
• 1 December
  • Ada Bruhn Hoffmeyer, medieval weapons expert (died 1991)
  • Per Palle Storm, sculptor (died 1994)^[4]

• 10 January – Frederik Vermehren, painter (born 1823)
• 26 April – Christian Vilhelm Nielsen, architect (born 1833)
• 18 July – Henning Matzen, politician (born 1840)
• 10 May – Palle Bruun, hydraulic engineer, designed the Port of Skagen (born 1873)
• 4 November – Louise Bille-Brahe, court member (born 1830)
• 15 November – Julius Exner, painter (born 1825)