1923 Born in Copenhagen, Denmark.

1942 Apprentice as a cabinetmaker.
1945 Royal Academy of Fine Arts, Furniture School, Copenhagen.
Awarded Second Prize in Cabinetmakers' Guild exhibition together with husband Jørgen Ditzel.
1946 Graduated from The School of Arts and Crafts, Copenhagen.
Established design studio in Copenhagen with Jørgen Ditzel.
1947 Took part in and won prizes in eight competitions
(furniture, textiles, glass, enamel and ceramics).

1950 First Prize in Goldsmiths' Joint Council competition.
Winner of Cabinetmakers' Guild competition.
1951 Silver Medal, Triennale, Milan.
1953 Scholarship for design studies in Rome.
1954 Silver Medal, Triennale, Milan.
Published the book Danish Chairs.
1956 Awarded the Lunning Prize.
1957 Silver Medal, Triennale, Milan.

1960 Gold Medal, Triennale, Milan, for Georg Jensen jewellery.
1961 Responsible for the exhibition Deense Woonkunst in Amsterdam.
Jørgen Ditzel died.
1962 One-woman exhibition in London for Scandia.
1963 One-woman exhibition in New York for Tanier.
1964 One-woman exhibitions in Vienna for Gordis and in Berlin at Design Centre Berlin.
Designed the furnishing fabric Hallingdal for Halling-Koch Design Centre, Copenhagen.
(Produced today by Kvadrat).
1968 Married Kurt Heide, moved to England.

1970 Established the Interspace International Furniture house in London with Kurt Heide.

1980 First of ongoing annual participations in the Cabinetmakers' exhibition, SE.
1981 Elected Chairman of the Design and Industries Association, London.
1986 Moved to Denmark, established design studio in Copenhagen.
1988 Colour scheme for Danish Rails.

1990 Awarded Gold Medal for Bench for Two at the International Furniture Design Competition in Asahikawa, Japan.
1991 Film on Nanna Ditzel by Danish Ministry of Education.
1992 Exhibitions in Denmark.
1993 One-woman exhibition in Milan.
1994 One-woman exhibition at The Museum of Decorative Art, Copenhagen.
1995 Participant in the exhibition Living Design in Madrid and Barcelona.
Awarded the ID Prize for the Trinidad chair.
Elected Knight of the Order of Dannebrog.
1996 One-woman exhibition in Manchester and Glasgow.
Elected Honourable Royal Designer, London.
1997 One-woman exhibitions in London, Iceland and Denmark.
Awarded the Honorary Grant of the Anniversary Foundation of the Danish National Bank.
1998 Awarded the lifelong Artist's Grant by the Danish Ministry of Culture.
Motion and Beauty, The Book of Nanna Ditzel, by Henrik Sten Møller, published by Rhodos, Denmark.
1999 Awarded Thorvald Bindesboll Medal.

2001 Awarded The Annual Danish Classical Design Prize by The Danish Design Centre for the upholstery cloth Hallingdal.
2002 Awarded The Annual Prize of the Danish Design Council.
Awarded The Annual Furniture Award by the Magazine BO BEDRE for the 'ICON' chair.
Exhibition at The Danish Museum for Arts and Crafts, Copenhagen, 'Stairscapes'.
2003 'Paysages Mobiliers' exhibition at 'La Maison Du Danemark', Paris.
Permanent Free Space Exhibition, Trapholt, Kolding.
2004 Nordic Cool: Hot Women Designers, Washington, USA.
2005 Hanne Horsfeld's book 'Nanna Ditzel' Series: Danske Designere,
publisher. Aschehoug Forlag.
Died in Copenhagen, Denmark.
2006 'Designeventyr, Lær og Leg med Nanna Ditzel's Design'
by Karen Grøn & Sys Matthiesen, published by Forlaget Bodker.
2007 Opening of Sankt Annæ's Gymnasium, Copenhagen, Denmark.
Theatre seating and stage curtain.