1912 in Denmark

Incumbents

• Monarch - Frederick VIII, Christian X
• Prime minister - Klaus Berntsen

  Events

• February 17 - The Danish Union of Press Photographers is founded as the first national organization for newspaper photographers in the world.
• 22 February - MS Selandia, the world's first ocean-going diesel-powered ship, departs Copenhagen on her maiden voyage, bound for Bangkok, with two B&W four-stroke diesel engines.
• 5 August - The Rebild Festival is held for the first time, delayed compared to the planned date, the American Independence on July 4, due to a period of national mourning upon King Frederik VII's sudden death. The celebrations are attended by somewhere between 10,000 and 15,000 people.
• 28 September - Jacob Ellehammer takes off for the first time in his self-built Ellehammer helicopter.

  Undated

Births

• 30 January - Finn Juhl, architect and designer
• 18 February - Gustaf Munch-Petersen, writer and painter
• March 14 - Johan Jacobsen, film director
• 20 March - Knud Rex, actor
• April 3 - Kjeld Philip, economist and politician
• 27 April - Princess Caroline-Mathilde of Denmark, hereditary princess
• June 4 - Robert Jacobsen, artist
• September 10 - Herluf Bidstrup, cartoonist
• 16 September - Sven Havsteen-Mikkelsen, painter and illustrator
• 22 October - Peer Guldbrandsen, screenwriter, actor, film director and producer

  Deaths

• 12 January - Herman Bang, writer
• 27 January Martha Wærn, philanthropist
• 1 March - Ludvig Holstein-Ledreborg, politician, prime minister of Denmark
• 124 April – Eiler Rasmussen Eilersen, painter
• 14 May - King Frederick VIII
• 26 May - Louis Hasselriis, sculptor
• 25 November - Moses Melchior, businessman