• Monarch – Christian X^[1]
• Prime minister – Thorvald Stauning

• 15 January – The artist group Linien opens their first exhibition in Copenhagen, presenting 177 works of abstract-surrealist art.^[2]

Cycling edit

• Willy Funda (GER) and Hans Pützfeld (GER) wins the first Six Days of Copenhagen six-day track cycling race.

Football edit

• B 93 wins their fifth Danish football championship by winning the 1933–34 Danish Championship League.

Swimming edit

• 12–19 August Denmark wins four bronze medal at the 1934 European Aquatics Championships.

• 24 February – Flemming Nielsen, football player (died 2018)
• 14 March – Mogens Palle, boxing manager (died 2022)
• 11 June – Prince Henrik (died 2018)
• 29 June – Henning Kronstam, ballet dancer, ballet master, theatre director (died 1995)
• 15 October – Poul Borum, writer (died 1996)
• 9 December – Morten Grunwald, actor (died 2018)

• 22 January – Frida Schmidt, suffragist (born 1849)
• 14 February – Frederik Jensen, stage and film actor (born 1863)
• 4 March – Matilde Bajer, women's rights activist and pacifist (born 1840)^[3]
• 9 July – Johanne Bindesbøll, textile artist (born 1834)
• 17 August – Georges Dreyer, pathologist, professor of pathology at the University of Oxford 1907–1934 (born 1863)
• 8 September – Hans Munch-Petersen, scholar (born 1869)